Intel Core i9-7980XE vs Intel Core i9-9940X

Table of Contents

Physical Specifications

Socket Intel Socket 2066 Intel Socket 2066
Foundry Intel Intel
Process size 14 nm 14 nm
Transistors unknown unknown
Die size unknown unknown
Package FC-LGA2066 FC-LGA2066

Performance

Frequency 2.6 GHz 3.3 GHz
Turbo clock up to 4.4 GHz up to 4.5 GHz
Base clock 100 MHz 100 MHz
Multiplier 26.0x 33.0x
Multiplier unlocked Yes Yes
TDP 165 W 165 W

Architecture Details

Vertical Segment Desktop Desktop
Production status Active Active
Release date Sep 1st, 2017 Oct 19th, 2018
Codename Skylake-X Skylake-X
Generation Core i9 Extreme Core i9
Part unknown BX80673I99940XCD8067304175600SREZ5
Memory support DDR4 Quad-channel DDR4 Quad-channel
ECC memory No No
PCI Express Gen 3 Gen 3

Cores

Total Cores 18 14
Total Threads 36 28
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 1MB (per core) 1MB (per core)
Cache L3 24.75MB (shared) 19.25MB (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.

Features & Technologies

AES-NI Yes Yes
AVX Yes Yes
AVX-512 Yes Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
Boost 2.0 Yes Yes
Boost 3.0 Yes Yes
CLMUL Yes Yes
EIST Yes Yes
F16C Yes Yes
FMA3 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
TSX Yes Yes
TXT Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes

Compare

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