Intel Core i5-11400 vs Intel Core i5-8600K

Intel Core i5-11400
Intel Socket 1200DESKTOP
2600 MHz / Cores: 6 / Mar 2021
Intel Core i5-11400
Intel Core i5-8600K
Intel Socket 1151DESKTOP
3600 MHz / Cores: 6 / Jan 2018
Intel Core i5-8600K

Summary

Reasons to consider Intel Core i5-11400

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

Reasons to consider Intel Core i5-8600K

Higher theoretical multi-threaded performance, based on raw specifications plus core architecture.

No winner

Gaming

No clear winner declared


No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i5-11400Intel Core i5-8600K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
AVX512F
FMA3
SHA
EIST
Intel 64
XD bit
VT-x
VT-d
AES-NI
TSX
TXT
CLMUL
F16C
BMI1
BMI2
ABM
ADX
RdRand
TBT 2.0
TBT 3.0
Boost 2.0

Architecture

Intel Core i5-11400Intel Core i5-8600K
ArchitectureIntel Rocket LakevsIntel_Coffelake
MarketDesktopvsDesktop
Memory SupportDDR4-3200 MHz Dual-channelvsDDR4
CodenameRocket LakevsCoffee Lake
Release DateMar 2021vsJan 2018

Cores

Intel Core i5-11400Intel Core i5-8600K
Cores6vs6
Threads12vs6
SMPs1vs1
Integrated GraphicsUHD Graphics 730vsIntel UHD 630

Cache

Intel Core i5-11400Intel 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 i5-11400Intel Core i5-8600K
SocketIntel Socket 1200vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1200vsFC-LGA1151
Die Sizeunknownvs151mm²
Process14 nmvs14 nm

Performance

Intel Core i5-11400Intel Core i5-8600K
Cpu Frequency2600 MHzvs3600 MHz
Turbo Clock4400 MHzvs4300 MHz
Base Clock100 MHzvs100 MHz
VoltageN/Avsunknown
TDP65 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-11400
    5280 points
  • Intel Core i5-8600K
    5160 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-11400
    22464 points
  • Intel Core i5-8600K
    25920 points

Points - higher is better