Intel Core i5-8600K vs Intel Core i5-2500K

Intel Core i5-8600K
Intel Socket 1151DESKTOP
3600 MHz / Cores: 6 / Jan 2018
Intel Core i5-8600K
Intel Core i5-2500K
Intel Socket 1155DESKTOP
3300 MHz / Cores: 4 / Jan 2011
Intel Core i5-2500K

Summary

Synthetic performance index

  • Intel Core i5-8600K
    187%
  • Intel Core i5-2500K
    100%

Relative performance

Single thread performance index

  • Intel Core i5-8600K
    153%
  • Intel Core i5-2500K
    100%

Relative performance

Multi thread performance index

  • Intel Core i5-8600K
    220%
  • Intel Core i5-2500K
    100%

Relative performance

Reasons to consider Intel Core i5-8600K

Much higher single threaded performance (around 53% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 120% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 87% higher average synthetic performance.

Reasons to consider Intel Core i5-2500K

None

Intel Core i5-8600K

Gaming

HWBench recommends Intel Core i5-8600K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i5-8600K

Productivity

HWBench recommends Intel Core i5-8600K

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


Specifications

Features

Intel Core i5-8600KIntel Core i5-2500K
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

Architecture

Intel Core i5-8600KIntel Core i5-2500K
ArchitectureIntel_CoffelakevsIntel_SandyBridge
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR3
CodenameCoffee LakevsSandy Bridge
Release DateJan 2018vsJan 2011

Cores

Intel Core i5-8600KIntel Core i5-2500K
Cores6vs4
Threads6vs4
SMPs1vs1
Integrated GraphicsIntel UHD 630vsIntel HD 3000

Cache

Intel Core i5-8600KIntel Core i5-2500K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache9216 KB (shared)vs6144 KB (shared)

Physical

Intel Core i5-8600KIntel Core i5-2500K
SocketIntel Socket 1151vsIntel Socket 1155
Max Case Temp72°Cvsunknown
PackageFC-LGA1151vsFC-LGA10
Die Size151mm²vs216mm²
Process14 nmvs32 nm

Performance

Intel Core i5-8600KIntel Core i5-2500K
Cpu Frequency3600 MHzvs3300 MHz
Turbo Clock4300 MHzvs3700 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-8600K
    5160 points
  • Intel Core i5-2500K
    3700 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-8600K
    25920 points
  • Intel Core i5-2500K
    13200 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-8600K
    1038
  • Intel Core i5-2500K
    470

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-8600K
    187
  • Intel Core i5-2500K
    122

points - higher is better