Intel Core i5-9400F vs Intel Core i7-6700K

Intel Core i5-9400F
Intel Socket 1151DESKTOP
2900 MHz / Cores: 6 / Jan 2019
Intel Core i5-9400F

Intel Core i7-6700K
Intel Socket 1151DESKTOP
4000 MHz / Cores: 4 / Aug 2015
Intel Core i7-6700K

Summary

Synthetic performance index

  • Intel Core i5-9400F
    104%
  • Intel Core i7-6700K
    100%

Relative performance

Single thread performance index

  • Intel Core i5-9400F
    100%
  • Intel Core i7-6700K
    101%

Relative performance

Multi thread performance index

  • Intel Core i5-9400F
    110%
  • Intel Core i7-6700K
    100%

Relative performance

Reasons to consider Intel Core i5-9400F

10% higher multi threaded performance.
This is a newer product, it might have better application compatibility/performance (check features chart below).

Reasons to consider Intel Core i7-6700K

Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-9400F.

No winner

Gaming

No clear winner declared


No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i5-9400FIntel Core i7-6700K
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
Boost 2.0
HTT

Architecture

Intel Core i5-9400FIntel Core i7-6700K
ArchitectureIntel_CoffelakevsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsSkylake
Release DateJan 2019vsAug 2015

Cores

Intel Core i5-9400FIntel Core i7-6700K
Cores6vs4
Threads6vs8
SMPs1vs1
Integrated GraphicsNovsHD Graphics 530

Cache

Intel Core i5-9400FIntel Core i7-6700K
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache256K (per core)vs256 KB (per core)
L3 Cache9MB (shared)vs8192 KB (shared)

Physical

Intel Core i5-9400FIntel Core i7-6700K
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1151vs
Die Sizeunknownvsunknown
Process14 nmvs14 nm

Performance

Intel Core i5-9400FIntel Core i7-6700K
Cpu Frequency2900 MHzvs4000 MHz
Turbo Clock Speed4100 MHzvs4200 MHz
Base Clock100 MHzvs100 MHz
Voltagevariablevsunknown
TDP65 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-9400F
    4920 points
  • Intel Core i7-6700K
    4830 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-9400F
    20880 points
  • Intel Core i7-6700K
    22264 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-9400F (simulated)
    174.25
  • Intel Core i7-6700K
    177.5

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-9400F (simulated)
    972.54
  • Intel Core i7-6700K
    880

points - higher is better