Intel Core i7-10700KF vs Intel Core i9-7940X

Intel Core i7-10700KF
Intel Socket 1200DESKTOP
3800 MHz / Cores: 8 / Apr 2020
Intel Core i7-10700KF
Intel Core i9-7940X
Intel Socket 2066DESKTOP
3100 MHz / Cores: 14 / Sep 2017
Intel Core i9-7940X

Summary

Synthetic performance index

  • Intel Core i7-10700KF
    112%
  • Intel Core i9-7940X
    100%

Relative performance

Single thread performance index

  • Intel Core i7-10700KF
    112%
  • Intel Core i9-7940X
    100%

Relative performance

Reasons to consider Intel Core i7-10700KF

12% higher single threaded performance.
40 watts lower power draw.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 12% higher average synthetic performance.

Reasons to consider Intel Core i9-7940X

None

Intel Core i7-10700KF

Gaming

HWBench recommends Intel Core i7-10700KF

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i9-7940X

Productivity

HWBench recommends Intel Core i9-7940X

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.


Specifications

Features

Intel Core i7-10700KFIntel Core i9-7940X
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
ABM
ADX
RdRand
TBT 2.0
TBT 3.0
HTT
Boost 2.0
Boost 3.0

Architecture

Intel Core i7-10700KFIntel Core i9-7940X
ArchitectureIntel_CometlakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4-2933 MHz Dual-channelvsDDR4
CodenameComet LakevsSkylake-X
Release DateApr 2020vsSep 2017

Cores

Intel Core i7-10700KFIntel Core i9-7940X
Cores8vs14
Threads16vs28
SMPs1vs1
Integrated GraphicsNovsNo

Cache

Intel Core i7-10700KFIntel Core i9-7940X
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache256K (per core)vs1024 KB (per core)
L3 Cache16MB (shared)vs19712 KB (shared)

Physical

Intel Core i7-10700KFIntel Core i9-7940X
SocketIntel Socket 1200vsIntel Socket 2066
Max Case Temp72°Cvsunknown
PackageFC-LGA1200vsFC-LGA2066
Die Sizeunknownvs428mm²
Process14 nmvs14 nm

Performance

Intel Core i7-10700KFIntel Core i9-7940X
Cpu Frequency3800 MHzvs3100 MHz
Turbo Clock5100 MHzvs4400 MHz
Base Clock100 MHzvs100 MHz
VoltageN/Avsunknown
TDP125 Wvs165 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-10700KF
    6120 points
  • Intel Core i9-7940X
    5280 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-10700KF
    43776 points
  • Intel Core i9-7940X
    62496 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-10700KF (simulated)
    218
  • Intel Core i9-7940X (simulated)
    194

points - higher is better