Intel Core i7-2700K vs Intel Core i7-3940XM

Table of Contents

Physical Specifications

Socket Intel Socket 1155 Intel Socket G2 (988B)
Foundry Intel Intel
Process size 32 nm 22 nm
Transistors 1,160 million 1,400 million
Die size 216 mm² 160 mm²
Package FC-LGA10 FC-PGA12F

Performance

Frequency 3.5 GHz 3 GHz
Turbo clock up to 3.9 GHz up to 3.9 GHz
Base clock 100 MHz 100 MHz
Multiplier 35.0x 30.0x
Multiplier unlocked Yes Yes
TDP 95 W 55 W

Architecture Details

Vertical Segment Desktop Mobile
Production status End-of-life End-of-life
Release date Oct 24th, 2011 Sep 3rd, 2012
Codename Sandy Bridge Ivy Bridge
Generation Core i7 Core i7
Part SR0DG SR0US
Memory support DDR3 Dual-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 3, 16 Lanes(CPU only)

Cores

Total Cores 4 4
Total Threads 8 8
SMP # CPUs 1 1
Integrated graphics Intel HD 3000 Intel HD 4000

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 8MB (shared) 8MB (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. 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. Intel HD 4000 frequency: 650-1300MHz

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
TXT Yes
VT-d Yes
VT-x Yes Yes
XD bit Yes Yes

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