Intel Core i7-3940XM vs Intel Core i7-8550U

Table of Contents

Physical Specifications

Socket Intel Socket G2 (988B) Intel BGA 1356
Foundry Intel Intel
Process size 22 nm 14 nm
Transistors 1,400 million unknown
Die size 160 mm² 123 mm²
Package FC-PGA12F FC-BGA1356
tCaseMax 72°C

Performance

Frequency 3 GHz 1800 MHz
Turbo clock up to 3.9 GHz up to 4 GHz
Base clock 100 MHz 100 MHz
Multiplier 30.0x 18.0x
Multiplier unlocked Yes No
TDP 55 W 15 W

Architecture Details

Vertical Segment Mobile Mobile
Production status End-of-life Active
Release date Sep 3rd, 2012 Aug 21st, 2017
Codename Ivy Bridge Kaby Lake-R
Generation Core i7 Core i7
Part SR0US SR3LC
Memory support DDR3 Dual-channel DDR4
ECC memory No No

Cores

Total Cores 4 4
Total Threads 8 8
SMP # CPUs 1 1
Integrated graphics Intel HD 4000 UHD 620

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. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz

Features & Technologies

AES-NI Yes Yes
AVX Yes Yes
AVX2 Yes
BMI1 Yes
BMI2 Yes
Boost 2.0 Yes
CLMUL Yes
EIST Yes Yes
F16C 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 Yes
TSX Yes
TXT Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes

Compare

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