Intel Core i7-3820 vs Intel Core i7-3940XM

Table of Contents

Physical Specifications

Socket Intel Socket 2011 Intel Socket G2 (988B)
Foundry Intel Intel
Process size 32 nm 22 nm
Transistors 1,270 million 1,400 million
Die size 294 mm² 160 mm²
Package FC-LGA10 FC-PGA12F
tCaseMax 67°C

Performance

Frequency 3.6 GHz 3 GHz
Turbo clock up to 3.8 GHz up to 3.9 GHz
Base clock 100 MHz 100 MHz
Multiplier 36.0x 30.0x
Multiplier unlocked Yes Yes
Voltage 1.35 V
TDP 130 W 55 W

Architecture Details

Vertical Segment Desktop Mobile
Production status unknown End-of-life
Release date Feb 13th, 2012 Sep 3rd, 2012
Codename Sandy Bridge-E Ivy Bridge
Generation Core i7 Core i7
Part SR0LD SR0US
Memory support DDR3 Quad-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 3

Cores

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

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 10MB (shared) 8MB (shared)

Notes

Notes This processor comes with an partially unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. The maximum multiplier value is 45. 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

Compare

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