List of Intel Core 2 Microprocessors

List of Intel Core 2 Microprocessors: History

Please note this is an old version of this entry, which may differ significantly from the current revision.

Contributor:

HandWiki

The Core 2 brand refers to Intel's x86 and x86-64 microprocessors with the Core microarchitecture made for the consumer and business markets (except servers) above Pentium. The Core 2 solo branch covered single-core CPUs for notebook computers, Core 2 Duo – dual-core CPUs for desktop and notebook computers, Core 2 Quad – quad-core CPUs for desktop and notebook computers, and Core 2 Extreme – dual-core and quad-core CPUs for desktop and notebook computers.

dual-core
x86-64
x86

1. Desktop Processors

1.1. Dual-Core Desktop Processors

Core 2 Duo

"Allendale" (65 nm, 800 MT/s)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2)^a
Die size: 111 mm²
Steppings: L2^b, M0^c, G0^d

Model number	Cores	Frequency	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
Core 2 Duo E4300	2	1.8 GHz	2 MiB	800 MT/s	9×	0.85–1.5 V	65 W	LGA 775	January 2007	$163
Core 2 Duo E4400	2	2 GHz	2 MiB	800 MT/s	10×	0.85–1.5 V	65 W	LGA 775	April 2007	$133
Core 2 Duo E4500	2	2.2 GHz	2 MiB	800 MT/s	11×	0.85–1.5 V	65 W	LGA 775	July 2007	$133
Core 2 Duo E4600	2	2.4 GHz	2 MiB	800 MT/s	12×	1.162–1.312 V	65 W	LGA 775	October 2007	$133
Core 2 Duo E4700	2	2.6 GHz	2 MiB	800 MT/s	13×	1.162–1.312 V	65 W	LGA 775	March 2008	$133

^c Note: The M0 and G0 Steppings have better optimizations to lower idle power consumption from 12W to 8W.

^d Note: The E4700 uses G0 Stepping which makes it a Conroe CPU.

"Conroe" (65 nm, 1066 MT/s)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2)^a
All models support: Intel VT-x
Die size: 143 mm²
Steppings: B2, G0

Model number	Cores	Frequency	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
Core 2 Duo E6300	2	1.87 GHz	2 MiB	1066 MT/s	7×	0.85–1.5 V	65 W	LGA 775	July 2006	$183
Core 2 Duo E6320	2	1.87 GHz	4 MiB	1066 MT/s	7×	0.85–1.5 V	65 W	LGA 775	April 2007	$163
Core 2 Duo E6400	2	2.13 GHz	2 MiB	1066 MT/s	8×	0.85–1.5 V	65 W	LGA 775	July 2006	$224
Core 2 Duo E6420	2	2.13 GHz	4 MiB	1066 MT/s	8×	0.85–1.5 V	65 W	LGA 775	April 2007	$183
Core 2 Duo E6600	2	2.4 GHz	4 MiB	1066 MT/s	9×	0.85–1.5 V	65 W	LGA 775	July 2006	$316
Core 2 Duo E6700	2	2.67 GHz	4 MiB	1066 MT/s	10×	0.85–1.5 V	65 W	LGA 775	July 2006	$530

^a Note: of the E6000 series processors, only models E6550, E6750, and E6850 support Intel's Trusted Execution Technology (TXT).^[1]

^b Note: The L2 Stepping, and models with sSpec SL9ZL, SL9ZF, SLA4U, SLA4T, have better optimizations to lower idle power consumption from 22W to 12W.^[2]

^c Note: The M0 and G0 Steppings have better optimizations to lower idle power consumption from 12W to 8W.

"Conroe" (65 nm, 1333 MT/s)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2)^a
All models support: Intel VT-x
All E6x50 models support: Intel VT-x, Trusted Execution Technology (TXT)
Die size: 143 mm²
Transistor count: 291 million
Steppings: B2, G0

Model number	Cores	Frequency	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
Core 2 Duo E6540	2	2.33 GHz	4 MiB	1333 MT/s	7×	0.85–1.5 V	65 W	LGA 775	July 2007	$163
Core 2 Duo E6550	2	2.33 GHz	4 MiB	1333 MT/s	7×	0.85–1.5 V	65 W	LGA 775	July 2007	$163
Core 2 Duo E6750	2	2.67 GHz	4 MiB	1333 MT/s	8×	0.85–1.5 V	65 W	LGA 775	July 2007	$183
Core 2 Duo E6850	2	3 GHz	4 MiB	1333 MT/s	9×	0.85–1.5 V	65 W	LGA 775	July 2007	$266

^a Note: of the E6000 series processors, only models E6550, E6750, and E6850 support Intel's Trusted Execution Technology (TXT).^[1]

^b Note: The L2 Stepping, and models with sSpec SL9ZL, SL9ZF, SLA4U, SLA4T, have better optimizations to lower idle power consumption from 22W to 12W.^[2]

^c Note: The M0 and G0 Steppings have better optimizations to lower idle power consumption from 12W to 8W.

"Conroe-CL" (65 nm, 1066 MT/s)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Die size: 111 mm² (Conroe)
Steppings: ?

| Core 2 Duo E6305 | | 2 | 1.87 GHz | 2 MiB | 1066 MT/s | 7× | | 65 W | LGA 771 | style="text-align:right;" | | | |-

| Core 2 Duo E6405 | | 2 | 2.13 GHz | 2 MiB | 1066 MT/s | 8× | | 65 W | LGA 771 | style="text-align:right;" | | | |-

"Wolfdale-3M" (45 nm, 1066 MT/s)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2)
Die size: 82 mm²
Transistor Count: 230 million
Steppings: M0, R0
Models with a part number ending in "ML" instead of "M" support Intel VT-x

| Core 2 Duo E7200 | | 2 | 2.53 GHz | 3 MiB | 1066 MT/s | 9.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | April 2008 | | $133 |-

| Core 2 Duo E7300 | | 2 | 2.67 GHz | 3 MiB | 1066 MT/s | 10× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | August 2008 | | $133 |-

| Core 2 Duo E7400 | | 2 | 2.8 GHz | 3 MiB | 1066 MT/s | 10.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | October 2008 | | $133 |-

| Core 2 Duo E7500 | | 2 | 2.93 GHz | 3 MiB | 1066 MT/s | 11× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | January 2009 | | $133 |-

| Core 2 Duo E7600 | | 2 | 3.07 GHz | 3 MiB | 1066 MT/s | 11.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | May 2009 | | $133 |-

"Wolfdale" (45 nm, 1333 MT/s)

All models(except E8190) support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), iAMT2 (Intel Active Management Technology), Intel VT-x ^[a], Intel VT-d ^[b], Trusted Execution Technology (TXT)
Die size: 107 mm²
Transistor Count: 410 million
Steppings: C0, E0

| Core 2 Duo E8190 | | 2 | 2.67 GHz | 6 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | January 2008 | | $163 |-

| Core 2 Duo E8200 | | 2 | 2.67 GHz | 6 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | January 2008 | | $163 |-

| Core 2 Duo E8290^[3] | | 2 | 2.83 GHz | 6 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | ? | | ? |-

| Core 2 Duo E8300 | | 2 | 2.83 GHz | 6 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | April 2008 | | $163 |-

| Core 2 Duo E8400 | | 2 | 3 GHz | 6 MiB | 1333 MT/s | 9× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | January 2008 | | $183 |-

| Core 2 Duo E8500 | | 2 | 3.17 GHz | 6 MiB | 1333 MT/s | 9.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | January 2008 | | $266 |-

| Core 2 Duo E8600 | | 2 | 3.33 GHz | 6 MiB | 1333 MT/s | 10× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | August 2008 | | $266 |-

| Core 2 Duo E8700 | | 2 | 3.5 GHz | 6 MiB | 1333 MT/s | 10.5× | 0.85–1.3625 V | 65 W | LGA 775 | style="text-align:right;" | December 2009 | | NA |-

^a Note: The E8190 and E8290 do not support Intel VT-d.

See also: Versions of the same Wolfdale core in an LGA 771 are available under the Dual-Core Xeon brand.

Core 2 Extreme

"Conroe XE" (65 nm)

^[4]^[5]

These models feature an unlocked clock multiplier

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Die size: 143 mm²
Steppings: B1, B2
The X6900 was never publicly released.

| Core 2 Extreme X6800 | | 2 | 2.93 GHz | 4 MiB | 1066 MT/s | 11× | 0.85–1.5 V | | LGA 775 | style="text-align:right;" | July 2006 | | $999 |-

| Core 2 Extreme X6900^[6]^[7] | | 2 | 3.2 GHz | 4 MiB | 1066 MT/s | 12× | 0.85–1.5 V | | LGA 775 | style="text-align:right;" | N/A | | N/A |-

1.2. Quad-Core Desktop Processors

Core 2 Quad

"Kentsfield" (65 nm)

^[8]^[9]

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x
Die size: 2 ×143 mm²
Steppings: B3, G0

| Core 2 Quad Q6400^[10] | | 4 | 2.13 GHz | 2 × 4 MiB | 1066 MT/s | 8× | 0.8500–1.500 V | | LGA 775 | style="text-align:right;" | | | OEM |-

| Core 2 Quad Q6600 | | 4 | 2.4 GHz | 2 × 4 MiB | 1066 MT/s | 9× | 0.8500–1.500 V | | LGA 775 | style="text-align:right;" | January 2007 | | $530 |-

| Core 2 Quad Q6700 | | 4 | 2.67 GHz | 2 × 4 MiB | 1066 MT/s | 10× | 0.8500–1.500 V | | LGA 775 | style="text-align:right;" | April 2007 | | $851 |-

"Yorkfield-6M" (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x ^[a], Intel VT-d ^[b], Trusted Execution Technology (TXT) ^[c]
Die size: 2 × 82 mm²
Steppings: M0, M1, R0
All Q8xxx models are Yorkfield-6M MCMs with only 2 × 2 MB L2 cache enabled.

| Core 2 Quad Q8200 | | 4 | 2.33 GHz | 2 × 2 MiB | 1333 MT/s | 7× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | August 2008 | | $224 |-

| Core 2 Quad Q8200S | | 4 | 2.33 GHz | 2 × 2 MiB | 1333 MT/s | 7× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | January 2009 | | $245 |-

| Core 2 Quad Q8300 | | 4 | 2.5 GHz | 2 × 2 MiB | 1333 MT/s | 7.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | November 2008 | | $224 |-

| Core 2 Quad Q8400 | | 4 | 2.67 GHz | 2 × 2 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | April 2009 | | $183 |-

| Core 2 Quad Q8400S | | 4 | 2.67 GHz | 2 × 2 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | April 2009 | | $245 |-

| Core 2 Quad Q9300 | | 4 | 2.5 GHz | 2 × 3 MiB | 1333 MT/s | 7.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | March 2008 | | $266 |-

| Core 2 Quad Q9400 | | 4 | 2.67 GHz | 2 × 3 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | August 2008 | | $266 |-

| Core 2 Quad Q9400S | | 4 | 2.67 GHz | 2 × 3 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | January 2009 | | $320 |-

| Core 2 Quad Q9500 | | 4 | 2.83 GHz | 2 × 3 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | January 2010 | | $183 |-

| Core 2 Quad Q9505 | | 4 | 2.83 GHz | 2 × 3 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | August 2009 | | $213 |-

| Core 2 Quad Q9505S | | 4 | 2.83 GHz | 2 × 3 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | August 2009 | | $277 |-

^a Note: Q8200, Q8200S, Q8300 SLB5W does not support Intel VT-x.

^b Note: Q8200, Q8200S, Q8300, Q8400, Q8400S, Q9500 does not support Intel VT-d.

^c Note: Q8200, Q8200S, Q8300, Q8400, Q8400S does not support TXT.

Yorkfield (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Intel VT-d, Trusted Execution Technology (TXT)
Die size: 2 × 107 mm²
Steppings: C0, C1, E0

| Core 2 Quad Q9450 | | 4 | 2.67 GHz | 2 × 6 MiB | 1333 MT/s | 8× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | March 2008 | | $316 |-

| Core 2 Quad Q9550 | | 4 | 2.83 GHz | 2 × 6 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | March 2008 | | $530 |-

| Core 2 Quad Q9550S | | 4 | 2.83 GHz | 2 × 6 MiB | 1333 MT/s | 8.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | January 2009 | | $369 |-

| Core 2 Quad Q9650 | | 4 | 3 GHz | 2 × 6 MiB | 1333 MT/s | 9× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | August 2008 | | $530 |-

Core 2 Extreme

"Kentsfield XE" (65 nm)

^[11]

These models feature an unlocked clock multiplier

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x
Die size: 2 ×143 mm²
Steppings: B3, G0

| Core 2 Extreme QX6700 | | 4 | 2.67 GHz | 2 × 4 MiB | 1066 MT/s | 10× | 0.8500–1.500 V | | LGA 775 | style="text-align:right;" | November 2006 | | $999 |-

| Core 2 Extreme QX6800 | | 4 | 2.93 GHz | 2 × 4 MiB | 1066 MT/s | 11× | 0.8500–1.500 V | | LGA 775 | style="text-align:right;" | April 2007 | | $1199 |-

| Core 2 Extreme QX6850 | | 4 | 3 GHz | 2 × 4 MiB | 1333 MT/s | 9× | 0.8500–1.500 V | | LGA 775 | style="text-align:right;" | July 2007 | | $999 |-

"Yorkfield XE" (45 nm)

These models feature an unlocked clock multiplier
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x
I/O Acceleration Technology (Intel I/OAT) supported by: QX9775
Intel VT-d supported by: QX9650^[12]
Die size: 2 × 107 mm²
Steppings: C0, C1, E0
The QX9750 was never publicly released. Engineering samples have surfaced along with claims that Intel gave them away to employees sometime in 2009.^[13]^[14]^[15]

| Core 2 Extreme QX9650 | | 4 | | | | | | 95 W | LGA 775 | style="text-align:right;" | | | |-

| Core 2 Extreme QX9750^[16] | | 4 | 3.17 GHz | 2 × 6 MiB | 1333 MT/s | 9.5× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | N/A | | N/A |-

| Core 2 Extreme QX9770 | | 4 | 3.2 GHz | 2 × 6 MiB | 1600 MT/s | 8× | 0.85–1.3625 V | | LGA 775 | style="text-align:right;" | March 2008 | | $1399 |-

| Core 2 Extreme QX9775 | | 4 | 3.2 GHz | 2 × 6 MiB | 1600 MT/s | 8× | 0.85–1.35 V | | LGA 771 | style="text-align:right;" | March 2008 | | $1499 |-

2. Notebook (Mobile) Processors

2.1. Single-Core Notebook Processors

Core 2 Solo

"Merom-L" (65 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Die size: 81 mm²
Steppings: A1

| Core 2 Solo ULV U2100 | | 1 | 1.07 GHz | 1 MiB | 533 MT/s | 8× | 0.86–0.975 V | | Micro-FCBGA | style="text-align:right;" | September 2007 | | $241 |-

| Core 2 Solo ULV U2200 | | 1 | 1.2 GHz | 1 MiB | 533 MT/s | 9× | 0.86–0.975 V | | Micro-FCBGA | style="text-align:right;" | September 2007 | | $262 |-

"Penryn-L" (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT), Intel Dynamic Acceleration (IDA)
Socket P processors can throttle the front-side bus (FSB) anywhere between 400–800 MT/s as needed.
Die size: 82 mm²
228 million transistors
Package size: 22 mm × 22 mm
Steppings: M0, R0

2.2. Dual-Core Notebook Processors

Core 2 Duo

Inside of old Sony VAIO laptop (VGN-C140G). https://handwiki.org/wiki/index.php?curid=1706289

"Merom", "Merom-2M" (standard-voltage, 65 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2)
Model T7600G features an unlocked clock multiplier. Only sold OEM in the Dell XPS M1710.
Intel VT-x: Supported by T5500 (L2), T5600 and all T7xxx
Intel Dynamic Front Side Bus Frequency Switching: Supported by E1, G0, G2, M0 Steppings
Socket P processors can throttle the front-side bus (FSB) anywhere between 400–800 MT/s as needed.
Die size: 143 mm² (Merom), 111 mm² (Merom-2M)
Steppings: B2, E1, G0, G2 (Merom), L2, M0 (Merom-2M)
All models of stepping B2 released on July 2006, stepping L2 released on January 2007.

| Core 2 Duo T5200 | | 2 | 1.6 GHz | 2 MiB | 533 MT/s | 12× | 0.95–1.175 V | | Socket M | style="text-align:right;" | October 2006 | | OEM |-

| Core 2 Duo T5250 | | 2 | 1.5 GHz | 2 MiB | 667 MT/s | 9× | 0.95–1.175 V | | Socket P | style="text-align:right;" | Q2 2007 | | OEM |-

| Core 2 Duo T5270 | | 2 | 1.4 GHz | 2 MiB | 800 MT/s | 7× | 0.95–1.175 V | | Socket P | style="text-align:right;" | October 2007 | | OEM |-

| Core 2 Duo T5300 | | 2 | 1.73 GHz | 2 MiB | 533 MT/s | 13× | 0.95–1.175 V | | Socket M | style="text-align:right;" | Q1 2007 | | OEM |-

| Core 2 Duo T5450 | | 2 | 1.67 GHz | 2 MiB | 667 MT/s | 10× | 0.95–1.175 V | | Socket P | style="text-align:right;" | Q2 2007 | | OEM |-

| Core 2 Duo T5470 | | 2 | 1.6 GHz | 2 MiB | 800 MT/s | 8× | 0.95–1.175 V | | Socket P | style="text-align:right;" | July 2007 | | OEM |-

| Core 2 Duo T5500 | | 2 | 1.67 GHz | 2 MiB | 667 MT/s | 10× | 0.95–1.175 V | | Socket M | style="text-align:right;" | 28 August 2006 | | $209 |-

| Core 2 Duo T5500 | | 2 | 1.67 GHz | 2 MiB | 667 MT/s | 10× | 0.95–1.175 V | | BGA479 | style="text-align:right;" | August 2006 | | $209 |-

| Core 2 Duo T5550 | | 2 | 1.83 GHz | 2 MiB | 667 MT/s | 11× | 0.95–1.175 V | | Socket P | style="text-align:right;" | January 2008 | | OEM |-

| Core 2 Duo T5600 | | 2 | 1.83 GHz | 2 MiB | 667 MT/s | 11× | 0.95–1.175 V | | Socket M | style="text-align:right;" | August 2006 | | $241 |-

| Core 2 Duo T5600 | | 2 | 1.83 GHz | 2 MiB | 667 MT/s | 11× | 0.95–1.175 V | | BGA479 | style="text-align:right;" | August 2006 | | $241 |-

| Core 2 Duo T5670 | | 2 | 1.8 GHz | 2 MiB | 800 MT/s | 9× | 0.95–1.175 V | | Socket P | style="text-align:right;" | Q2 2008 | | OEM |-

| Core 2 Duo T5750 | | 2 | 2 GHz | 2 MiB | 667 MT/s | 12× | 0.95–1.175 V | | Socket P | style="text-align:right;" | January 2008 | | OEM |-

| Core 2 Duo T5800 | | 2 | 2 GHz | 2 MiB | 800 MT/s | 10× | 0.95–1.175 V | | Socket P | style="text-align:right;" | Q4 2008 | | OEM |-

| Core 2 Duo T5850^[17] | | 2 | 2.17 GHz | 2 MiB | 667 MT/s | 13× | 0.95–1.175 V | | Socket P | style="text-align:right;" | Q4 2008 | | OEM |-

| Core 2 Duo T5870 | | 2 | 2 GHz | 2 MiB | 800 MT/s | 10× | 0.95–1.175 V | | Socket P | style="text-align:right;" | 2008 | | OEM |-

| Core 2 Duo T5900^[18] | | 2 | 2.2 GHz | 2 MiB | 800 MT/s | 11× | 0.95–1.175 V | | Socket P | style="text-align:right;" | July 2008 | | OEM |-

| Core 2 Duo T7100 | | 2 | 1.8 GHz | 2 MiB | 800 MT/s | 9× | 0.95–1.175 V | | | style="text-align:right;" | May 2007 | | $209 |-

| Core 2 Duo T7200 | | 2 | 2 GHz | 4 MiB | 667 MT/s | 12× | 0.95–1.175 V | | | style="text-align:right;" | August 2006 | | $294 |-

| Core 2 Duo T7250 | | 2 | 2 GHz | 2 MiB | 800 MT/s | 10× | 0.95–1.175 V | | | style="text-align:right;" | September 2007 | | $290 |-

| Core 2 Duo T7300 | | 2 | 2 GHz | 4 MiB | 800 MT/s | 10× | 0.95–1.175 V | | | style="text-align:right;" | May 2007 | | $241 |-

| Core 2 Duo T7400 | | 2 | 2.17 GHz | 4 MiB | 667 MT/s | 13× | 0.95–1.175 V | | | style="text-align:right;" | August 2006 | | $423 |-

| Core 2 Duo T7500 | | 2 | 2.2 GHz | 4 MiB | 800 MT/s | 11× | 0.95–1.175 V | | | style="text-align:right;" | May 2007 | | $316 |-

| Core 2 Duo T7600 | | 2 | 2.33 GHz | 4 MiB | 667 MT/s | 14× | 0.95–1.175 V | | | style="text-align:right;" | August 2006 | | $637 |-

| Core 2 Duo T7600G^[19] | | 2 | 2.33 GHz | 4 MiB | 667 MT/s | 14× | 0.95–1.175 V | | | style="text-align:right;" | December 2006 | | |-

| Core 2 Duo T7700 | | 2 | 2.4 GHz | 4 MiB | 800 MT/s | 12× | 0.95–1.175 V | | | style="text-align:right;" | May 2007 | | $530 |-

| Core 2 Duo T7800 | | 2 | 2.6 GHz | 4 MiB | 800 MT/s | 13× | 0.95–1.175 V | | | style="text-align:right;" | September 2007 | | $530 |-

See also: Versions of the same Merom-2M core with half the L2 cache disabled are available under the Pentium Dual-Core brand.

"Merom" (low-voltage, 65 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Intel Dynamic Front Side Bus Frequency Switching: Supported by E1, G0, G2 Steppings
Die size: 143 mm²
Steppings: B2, E1, G0, G2

| Core 2 Duo SL7100^[20] | | 2 | 1.2 GHz | 4 MiB | 800 MT/s | 6× | | | μFC-BGA 956 | style="text-align:right;" | | | OEM |-

| Core 2 Duo L7200 | | 2 | 1.33 GHz | 4 MiB | 667 MT/s | 8× | 0.9–1.2 V | | FCBGA6 | style="text-align:right;" | Q1 2007 | | $284 |-

| Core 2 Duo L7300 | | 2 | 1.4 GHz | 4 MiB | 800 MT/s | 7× | 0.9–1.1 V | | FCBGA6 | style="text-align:right;" | May 2007 | | $284 |-

| Core 2 Duo L7400 | | 2 | 1.5 GHz | 4 MiB | 667 MT/s | 9× | 0.9–1.2 V | | FCBGA6 | style="text-align:right;" | Q1 2007 | | $316 |-

| Core 2 Duo L7500 | | 2 | 1.6 GHz | 4 MiB | 800 MT/s | 8× | 0.9–1.1 V | | FCBGA6 | style="text-align:right;" | May 2007 | | $316 |-

| Core 2 Duo SP7500^[21] ^[22] | | 2 | 1.6 GHz | 4 MiB | 800 MT/s | 8× | 1.0–1.25 V | | μFC-BGA 956 | style="text-align:right;" | | | OEM |-

| Core 2 Duo L7700 | | 2 | 1.8 GHz | 4 MiB | 800 MT/s | 9× | 0.9–1.1 V | | FCBGA6 | style="text-align:right;" | September 2007 | | $316 |-

|sspec1=SLALQ|sspec2=SLALR|sspec3=SLASZ|step1=|part1=SY80537GG0334M|part2=SY80537GG0334ML|noanchor=yes}}

"Merom-2M" (ultra-low-voltage, 65 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x
Die size: 111 mm²
Steppings: L2, M0

| Core 2 Duo U7500 | | 2 | 1.07 GHz | 2 MiB | 533 MT/s | 8× | 0.8–0.975 V | | FCBGA6 (Socket M) | style="text-align:right;" | April 2007 | | $262 |-

| Core 2 Duo U7500 | | 2 | 1.07 GHz | 2 MiB | 533 MT/s | 8× | 0.8–0.975 V | | FCBGA6 (Socket P) | style="text-align:right;" | February 2008 | | $262 |-

| Core 2 Duo U7600 | | 2 | 1.2 GHz | 2 MiB | 533 MT/s | 9× | 0.8–0.975 V | | FCBGA6 (Socket M) | style="text-align:right;" | April 2007 | | $289 |-

| Core 2 Duo U7600 | | 2 | 1.2 GHz | 2 MiB | 533 MT/s | 9× | 0.8–0.975 V | | FCBGA6 (Socket P) | style="text-align:right;" | April 2007 | | $289 |-

| Core 2 Duo U7700 | | 2 | 1.33 GHz | 2 MiB | 533 MT/s | 10× | 0.8–0.975 V | | FCBGA6 (Socket M) | style="text-align:right;" | December 2007 | | $289 |-

| Core 2 Duo U7700 | | 2 | 1.33 GHz | 2 MiB | 533 MT/s | 10× | 0.8–0.975 V | | FCBGA6 (Socket P) | style="text-align:right;" | February 2008 | | $289 |-

"Penryn" (Apple iMac specific, 45 nm)

Die size: 107 mm²
The 2008 20" iMac used the E8135 and E8335 CPUs at a lower than specified clock frequency, explaining why the same model is used at different frequencies. This list shows the frequencies used by Apple.
Steppings: C0, E0

| Core 2 Duo E8135 | | 2 | 2.4 GHz | 6 MiB | 1066 MT/s | 9× | | | Socket P | style="text-align:right;" | April 2008 | | |-

| Core 2 Duo E8135 | | 2 | 2.67 GHz | 6 MiB | 1066 MT/s | 10× | | | Socket P | style="text-align:right;" | March 2009 | | |-

| Core 2 Duo E8235 | | 2 | 2.8 GHz | 6 MiB | 1066 MT/s | 10.5× | | | Socket P | style="text-align:right;" | April 2008 | | |-

| Core 2 Duo E8335 | | 2 | 2.93 GHz | 6 MiB | 1066 MT/s | 11× | | | Socket P | style="text-align:right;" | April 2008 | | |-

| Core 2 Duo E8335 | | 2 | 2.93 GHz | 6 MiB | 1066 MT/s | 11× | 1.0500–1.2250 V | | Socket P | style="text-align:right;" | March 2009 | | |-

| Core 2 Duo E8435 | | 2 | 3.07 GHz | 6 MiB | 1066 MT/s | 11.5× | 1.0500–1.2375 V | | Socket P | style="text-align:right;" | April 2008 | | |-

| Core 2 Duo E8435 | | 2 | 3.07 GHz | 6 MiB | 1066 MT/s | 11.5× | | | Socket P | style="text-align:right;" | March 2009 | | |-

"Penryn", "Penryn-3M" (standard-voltage, 45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel Dynamic Acceleration (IDA)^[23]
T6570,^[24] T6670, all T8xxx and T9xxx models support Intel VT-x
All T9xxx models support Trusted Execution Technology (TXT)
T6xxx models are Penryn-3M processors with 1 MB L2 cache disabled.

Note that models T8100, T8300, T9300, T9500 are Penryn processors designed for Santa Rosa Refresh platforms with maximum FSB of 800 MT/s, whereas the rest of the Penryn processors are designed for Montevina platforms that can go up to maximum FSB of 1066 MT/s.

Penryn processors support Dynamic Front Side Bus Throttling between 400–800MT/s.

Die size: 107 mm² (Penryn), 82 mm² (Penryn-3M)
Steppings: C0, E0 (Penryn) M0, R0 (Penryn-3M)^[23]

| Core 2 Duo T6400 | | 2 | 2 GHz | 2 MiB | 800 MT/s | 10× | 1.00–1.250 V | | | style="text-align:right;" | January 2009 | | OEM |-

| Core 2 Duo T6500 | | 2 | 2.1 GHz | 2 MiB | 800 MT/s | 10.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | January 2009 | | OEM |-

| Core 2 Duo T6570 | | 2 | 2.1 GHz | 2 MiB | 800 MT/s | 10.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | Q3 2009 | | OEM |-

| Core 2 Duo T6600 | | 2 | 2.2 GHz | 2 MiB | 800 MT/s | 11× | 1.00–1.250 V | | Socket P | style="text-align:right;" | January 2009 | | OEM |-

| Core 2 Duo T6670 | | 2 | 2.2 GHz | 2 MiB | 800 MT/s | 11× | 1.00–1.250 V | | Socket P | style="text-align:right;" | Q3 2009 | | OEM |-

| Core 2 Duo T6900 | | 2 | 2.5 GHz | 2 MiB | 800 MT/s | 12.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | ? | | OEM |-

| Core 2 Duo T6970 | | 2 | 2.5 GHz | 2 MiB | 800 MT/s | 12.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | ? | | OEM |-

| Core 2 Duo T8100 | | 2 | 2.1 GHz | 3 MiB | 800 MT/s | 10.5× | 1.000–1.250 V | | Socket P | style="text-align:right;" | January 2008 | | $209 |-

| Core 2 Duo T8100 | | 2 | 2.1 GHz | 3 MiB | 800 MT/s | 10.5× | 1.000–1.250 V | | FCBGA6 | style="text-align:right;" | January 2008 | | $209 |-

| Core 2 Duo T8300 | | 2 | 2.4 GHz | 3 MiB | 800 MT/s | 12× | 1.00–1.250 V | | Socket P | style="text-align:right;" | January 2008 | | $241 |-

| Core 2 Duo T8300 | | 2 | 2.4 GHz | 3 MiB | 800 MT/s | 12× | 1.00–1.250 V | | FCBGA6 | style="text-align:right;" | January 2008 | | $241 |-

| Core 2 Duo T9300 | | 2 | 2.5 GHz | 6 MiB | 800 MT/s | 12.5× | 1.000–1.250 V | | Socket P | style="text-align:right;" | January 2008 | | $316 |-

| Core 2 Duo T9300 | | 2 | 2.5 GHz | 6 MiB | 800 MT/s | 12.5× | 1.000–1.250 V | | FCBGA6 | style="text-align:right;" | January 2008 | | $316 |-

| Core 2 Duo T9400 | | 2 | 2.53 GHz | 6 MiB | 1066 MT/s | 9.5× | 1.050–1.162 V | | Socket P | style="text-align:right;" | July 2008 | | $316 |-

| Core 2 Duo T9400 | | 2 | 2.53 GHz | 6 MiB | 1066 MT/s | 9.5× | 1.050–1.162 V | | FCBGA6 | style="text-align:right;" | July 2008 | | $316 |-

| Core 2 Duo T9500 | | 2 | 2.6 GHz | 6 MiB | 800 MT/s | 13× | 1.000–1.250 V | | Socket P | style="text-align:right;" | January 2008 | | $530 |-

| Core 2 Duo T9500 | | 2 | 2.6 GHz | 6 MiB | 800 MT/s | 13× | 1.000–1.250 V | | FCBGA6 | style="text-align:right;" | January 2008 | | $530 |-

| Core 2 Duo T9550 | | 2 | 2.67 GHz | 6 MiB | 1066 MT/s | 10× | 1.050–1.212 V | | Socket P | style="text-align:right;" | December 2008 | | $316 |-

| Core 2 Duo T9550 | | 2 | 2.67 GHz | 6 MiB | 1066 MT/s | 10× | 1.050–1.212 V | | FCBGA6 | style="text-align:right;" | December 2008 | | $316 |-

| Core 2 Duo T9600 | | 2 | 2.8 GHz | 6 MiB | 1066 MT/s | 10.5× | 1.050–1.162 V | | Socket P | style="text-align:right;" | July 2008 | | $530 |-

| Core 2 Duo T9600 | | 2 | 2.8 GHz | 6 MiB | 1066 MT/s | 10.5× | 1.050–1.162 V | | FCBGA6 | style="text-align:right;" | July 2008 | | $530 |-

| Core 2 Duo T9800 | | 2 | 2.93 GHz | 6 MiB | 1066 MT/s | 11× | 1.050–1.212 V | | Socket P | style="text-align:right;" | December 2008 | | $530 |-

| Core 2 Duo T9800 | | 2 | 2.93 GHz | 6 MiB | 1066 MT/s | 11× | 1.050–1.212 V | | FCBGA6 | style="text-align:right;" | December 2008 | | $530 |-

| Core 2 Duo T9900 | | 2 | 3.07 GHz | 6 MiB | 1066 MT/s | 11.5× | 1.050–1.2125 V | | Socket P | style="text-align:right;" | April 2009 | | $530 |-

| Core 2 Duo T9900 | | 2 | 3.07 GHz | 6 MiB | 1066 MT/s | 11.5× | 1.050–1.2125 V | | FCBGA6 | style="text-align:right;" | April 2009 | | $530 |-

"Penryn", "Penryn-3M" (medium-voltage, 45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x (except the non-Mac P7350, P7450),^[25]^[26]^[27] Trusted Execution Technology (TXT), Intel Dynamic Acceleration (IDA)
Select Apple subsets of P7000 series processors support Intel VT-x.^[28]
Penryn and Penryn-3M processors support Dynamic Front Side Bus Throttling between 533–1066MT/s.
Die size: 107 mm² (Penryn), 82 mm² (Penryn-3M)
Package size: 35 mm × 35 mm
Transistors: 410 million ^[29]
Steppings: (Core microarchitecture 45nm steppings)
- C0, E0 (Penryn)
- M0, R0 (Penryn-3M)
- stepping C0/M0 is only used in the Intel Mobile 965 Express (Santa Rosa refresh) platform
- stepping E0/R0 adds two new instructions (XSAVE/XRSTOR) and supports the later Intel Mobile 4 Express (Montevina) platform

| Core 2 Duo P7370 | | 2 | 2 GHz | 3 MiB | 1066 MT/s | 7.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | January 2009 | | OEM |-

| Core 2 Duo P7450 | | 2 | 2.13 GHz | 3 MiB | 1066 MT/s | 8× | 1.00–1.250 V | | Socket P | style="text-align:right;" | January 2009 | | OEM |-

| Core 2 Duo P7450 | | 2 | 2.13 GHz | 3 MiB | 1066 MT/s | 8× | 1.00–1.250 V | | FC-BGA478 | style="text-align:right;" | January 2009 | | OEM |-

| Core 2 Duo P7550 | | 2 | 2.27 GHz | 3 MiB | 1066 MT/s | 8.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | June 2009 | | OEM |-

| Core 2 Duo P7570 | | 2 | 2.27 GHz | 3 MiB | 1066 MT/s | 8.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | Q3 2009 | | OEM |-

| Core 2 Duo P8400 | | 2 | 2.27 GHz | 3 MiB | 1066 MT/s | 8.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | 13 June 2008^[30] | | $209 |-

| Core 2 Duo P8400 | | 2 | 2.27 GHz | 3 MiB | 1066 MT/s | 8.5× | 1.00–1.250 V | | FC-BGA478 | style="text-align:right;" | June 2008 | | $209 |-

| Core 2 Duo P8600 | | 2 | 2.4 GHz | 3 MiB | 1066 MT/s | 9× | 1.00–1.250 V | | Socket P | style="text-align:right;" | June 2008^[31] | | $241 |-

| Core 2 Duo P8600 | | 2 | 2.4 GHz | 3 MiB | 1066 MT/s | 9× | 1.00–1.250 V | | FC-BGA478 | style="text-align:right;" | June 2008 | | $241 |-

| Core 2 Duo P8700 | | 2 | 2.53 GHz | 3 MiB | 1066 MT/s | 9.5× | 1.00–1.250 V | | Socket P | style="text-align:right;" | December 2008 | | $241 |-

| Core 2 Duo P8700 | | 2 | 2.53 GHz | 3 MiB | 1066 MT/s | 9.5× | 1.00–1.250 V | | FC-BGA478 | style="text-align:right;" | December 2008 | | $241 |-

| Core 2 Duo P8800 | | 2 | 2.67 GHz | 3 MiB | 1066 MT/s | 10× | 1.00–1.250 V | | Socket P | style="text-align:right;" | Q2 2009 | | $241 |-

| Core 2 Duo P8800 | | 2 | 2.67 GHz | 3 MiB | 1066 MT/s | 10× | 1.00–1.250 V | | FC-BGA478 | style="text-align:right;" | Q2 2009 | | $241 |-

| Core 2 Duo P9500 | | 2 | 2.53 GHz | 6 MiB | 1066 MT/s | 9.5× | 1.05–1.162 V | | Socket P | style="text-align:right;" | July 2008 | | $348 |-

| Core 2 Duo P9600 | | 2 | 2.67 GHz | 6 MiB | 1066 MT/s | 10× | 1.05–1.212 V | | Socket P | style="text-align:right;" | December 2008 | | $348 |-

| Core 2 Duo P9700 | | 2 | 2.8 GHz | 6 MiB | 1066 MT/s | 10.5× | 1.012–1.175 V | | Socket P | style="text-align:right;" | June 2009 | | $348 |-

"Penryn" (medium-voltage, 45 nm, Small Form Factor)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT), Intel Dynamic Acceleration (IDA)
Die size: 107 mm²
Package size: 22 mm × 22 mm
Steppings: C0, E0

"Penryn" (low-voltage, 45 nm, Small Form Factor)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT), Intel Dynamic Acceleration (IDA)
Die size: 107 mm²
Package size: 22 mm × 22 mm
Steppings: C0, E0

| Core 2 Duo SL9300 | | 2 | 1.6 GHz | 6 MiB | 1066 MT/s | 6× | 1.050–1.150 V | | μFC-BGA 956 | style="text-align:right;" | September 2008 | | $284 |-

| Core 2 Duo SL9380 | | 2 | 1.8 GHz | 6 MiB | 800 MT/s | 9× | 1.050–1.150 V | | μFC-BGA 956 | style="text-align:right;" | September 2008 | | $316 |-

| Core 2 Duo SL9400 | | 2 | 1.87 GHz | 6 MiB | 1066 MT/s | 7× | 1.050–1.150 V | | μFC-BGA 956 | style="text-align:right;" | September 2008 | | $316 |-

| Core 2 Duo SL9600 | | 2 | 2.13 GHz | 6 MiB | 1066 MT/s | 8× | 1.050–1.150 V | | μFC-BGA 956 | style="text-align:right;" | Q1'09 | | $316 |-

"Penryn-3M" (ultra-low-voltage, 45 nm, Small Form Factor)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT) (except SU7300), Intel Dynamic Acceleration (IDA)
Die size: 107 mm²
Package size: 22 mm × 22 mm
Steppings: M0, R0

| Core 2 Duo SU7300 | | 2 | 1.3 GHz | 3 MiB | 800 MT/s | 6.5× | 1.05–1.15 V | 10 W | μFC-BGA 956 | style="text-align:right;" | September 2009 | | $289 |-

| Core 2 Duo SU9300 | | 2 | 1.2 GHz | 3 MiB | 800 MT/s | 6× | 1.05–1.15 V | 10 W | μFC-BGA 956 | style="text-align:right;" | September 2008 | | $262 |-

| Core 2 Duo SU9400 | | 2 | 1.4 GHz | 3 MiB | 800 MT/s | 7× | 1.05–1.15 V | 10 W | μFC-BGA 956 | style="text-align:right;" | September 2008 | | $289 |-

| Core 2 Duo SU9600 | | 2 | 1.6 GHz | 3 MiB | 800 MT/s | 8× | 1.05–1.15 V | 10 W | μFC-BGA 956 | style="text-align:right;" | Q1 2009 | | $289 |-

Core 2 Extreme

"Merom XE" (65 nm)

These models feature an unlocked clock multiplier

All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT), Intel Dynamic Front Side Bus Frequency Switching
Merom XE processors support Dynamic Front Side Bus Throttling between 400–800 MT/s.
Die size: 143 mm²
Steppings: E1, G0

| Core 2 Extreme X7800 | | 2 | 2.6 GHz | 4 MiB | 800 MT/s | 13× | 1.0375–1.3 V | | Socket P | style="text-align:right;" | July 2007 | | $851 |-

| Core 2 Extreme X7900 | | 2 | 2.8 GHz | 4 MiB | 800 MT/s | 14× | 1.0375–1.3 V | | Socket P | style="text-align:right;" | August 2007 | | $851 |-

"Penryn XE" (45 nm)

These models feature an unlocked clock multiplier
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Penryn XE processors support Dynamic Front Side Bus Throttling between 400–800 MT/s and 533–1066 MT/s.
Die size: 107 mm²
Steppings: C0, E0

2.3. Quad-Core Notebook Processors

Core 2 Quad

"Penryn QC" (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Can throttle the front-side bus (FSB) anywhere between 533–1066 MT/s as needed.
Die size: 2 × 107 mm²
Steppings: E0

Core 2 Extreme

"Penryn QC XE" (45 nm)

This model features an unlocked clock multiplier usually manipulated through the systems BIOS however some manufacturers (such as HP) do not have this feature enabled on their laptops that use this processor.
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel Active Management Technology (iAMT2), Intel VT-x, Trusted Execution Technology (TXT)
Can throttle the front-side bus (FSB) anywhere between 533–1066 MT/s as needed.
Package size: 35 mm × 35 mm
Die size: 2 × 107 mm²
Steppings: E0

The content is sourced from: https://handwiki.org/wiki/Engineering:List_of_Intel_Core_2_microprocessors

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