Intel Core 2 Extreme QX9650 vs Intel Pentium B970

Physical Specifications

Socket Intel Socket 775 Intel Socket G2 (988B)
Foundry Intel Intel
Process size 45 nm 32 nm
Transistors 820 million 504 million
Die size 2x 107 mm² 131 mm²
Package FC-LGA4 rPGA
tCaseMax 64°C


Frequency 3 GHz 2.3 GHz
Turbo clock
Base clock 333 MHz 100 MHz
Multiplier 9.0x 23.0x
Multiplier unlocked Yes No
Voltage 1.25 V
TDP 130 W 35 W

Architecture Details

Vertical Segment Desktop Mobile
Production status End-of-life unknown
Release date Nov 30th, 2007 Jan 1st, 2012
Codename Yorkfield Sandy Bridge
Generation Core 2 Extreme Pentium
Part SLAN3 SR0J2
Memory support DDR1, DDR2, DDR3 Dual-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2


Total Cores 4 2
Total Threads 4 2
SMP # CPUs 1 1
Integrated graphics Intel HD (Sandy Bridge)


Cache L1 64K (per core) 64K (per core)
Cache L2 12MB (shared) 256K (per core)
Cache L3 2MB (shared)


Notes This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Also available with C1 Stepping, Part #: SLAWN, R

Features & Technologies

EIST Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes Yes
SSE4.2 Yes
SSSE3 Yes Yes
Smart Cache Yes
VT-x Yes
XD bit Yes


Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.