Intel Core i7-3960X vs Intel Core i7-3970X

Table of Contents

Physical Specifications

Socket Intel Socket 2011 Intel Socket 2011
Foundry Intel Intel
Process size 32 nm 32 nm
Transistors 2,270 million 2,270 million
Die size 435 mm² 435 mm²
Package FC-LGA10 FC-LGA10
tCaseMax 67°C 70°C

Performance

Frequency 3.3 GHz 3.5 GHz
Turbo clock up to 3.9 GHz up to 4 GHz
Base clock 100 MHz 100 MHz
Multiplier 33.0x 35.0x
Multiplier unlocked Yes Yes
Voltage 1.35 V 1.35 V
TDP 130 W 150 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life unknown
Release date Nov 14th, 2011 Nov 1st, 2012
Codename Sandy Bridge-E Sandy Bridge-E
Generation Core i7 Core i7
Part SR0H9SR0KF SR0WR
Memory support DDR3 Quad-channel DDR3 Quad-channel
ECC memory No No
PCI Express Gen 3 Gen 3

Cores

Total Cores 6 6
Total Threads 12 12
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 15MB (shared) 15MB (shared)

Notes

Notes This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. C1 stepping (SR0H9) lacks VT-d. This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label.

Features & Technologies

AES-NI Yes Yes
AVX Yes Yes
EIST Yes Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes

Compare

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