Intel Core i5-10400F vs Intel Core i5-8600K

Intel Core i5-10400F
Intel Socket 1200DESKTOP
2900 MHz / Cores: 6 / Apr 2020
Intel Core i5-10400F
Intel Core i5-8600K
Intel Socket 1151DESKTOP
3600 MHz / Cores: 6 / Jan 2018
Intel Core i5-8600K

Summary

Synthetic performance index

  • Intel Core i5-10400F
    127%
  • Intel Core i5-8600K
    100%

Relative performance

Single thread performance index

  • Intel Core i5-10400F
    127%
  • Intel Core i5-8600K
    100%

Relative performance

Reasons to consider Intel Core i5-10400F

Much higher single threaded performance (around 27% higher), makes a noticeable performance difference in gaming and the majority of applications.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 27% higher average synthetic performance.

Reasons to consider Intel Core i5-8600K

Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-10400F.

Intel Core i5-10400F

Gaming

HWBench recommends Intel Core i5-10400F

Based on game and synthetic benchmarks, and theoretical specifications.

No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i5-10400FIntel Core i5-8600K
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
Boost 2.0

Architecture

Intel Core i5-10400FIntel Core i5-8600K
ArchitectureIntel_CometlakevsIntel_Coffelake
MarketDesktopvsDesktop
Memory SupportDDR4-2666 MHz Dual-channelvsDDR4
CodenameComet LakevsCoffee Lake
Release DateApr 2020vsJan 2018

Cores

Intel Core i5-10400FIntel Core i5-8600K
Cores6vs6
Threads12vs6
SMPs1vs1
Integrated GraphicsNovsIntel UHD 630

Cache

Intel Core i5-10400FIntel Core i5-8600K
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache256K (per core)vs256 KB (per core)
L3 Cache12MB (shared)vs9216 KB (shared)

Physical

Intel Core i5-10400FIntel Core i5-8600K
SocketIntel Socket 1200vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1200vsFC-LGA1151
Die Sizeunknownvs151mm²
Process14 nmvs14 nm

Performance

Intel Core i5-10400FIntel Core i5-8600K
Cpu Frequency2900 MHzvs3600 MHz
Turbo Clock4300 MHzvs4300 MHz
Base Clock100 MHzvs100 MHz
VoltageN/Avsunknown
TDP65 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-10400F
    5160 points
  • Intel Core i5-8600K
    5160 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-10400F
    25056 points
  • Intel Core i5-8600K
    25920 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-10400F (simulated)
    239.19
  • Intel Core i5-8600K
    187

points - higher is better