Intel Core i7-4940MX vs Intel Core i7-980X

Table of Contents

Physical Specifications

Socket Intel Socket G3 Intel Socket 1366
Foundry Intel Intel
Process size 22 nm 32 nm
Transistors 1,400 million 1,170 million
Die size 177 mm² 239 mm²
Package FC-PGA946 FC-LGA10
tCaseMax 100°C

Performance

Frequency 3.1 GHz 3.333 GHz
Turbo clock up to 4 GHz up to 3.6 GHz
Base clock 100 MHz 133 MHz
Multiplier 31.0x 25.0x
Multiplier unlocked Yes Yes
TDP 57 W 130 W
Voltage 1.375 V

Architecture Details

Vertical Segment Mobile Desktop
Production status unknown End-of-life
Release date Jan 20th, 2014 Mar 16th, 2010
Codename Haswell Gulftown
Generation Core i7 Core i7
Part unknown SLBUZ
Memory support DDR3 DDR3 Triple-channel
ECC memory No No
PCI Express Gen 2

Cores

Total Cores 4 6
Total Threads 8 12
SMP # CPUs 1 1
Integrated graphics Intel HD 4600

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 8MB (shared) 12MB (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 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.

Features & Technologies

AES-NI Yes
AVX Yes
AVX2 Yes
CLMUL Yes
EIST Yes
FMA3 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
TSX Yes
TXT Yes
VT-x Yes
XD bit Yes

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