Intel Core i5-8600K vs Intel Core i7-7800X

Intel Core i5-8600K
Intel Socket 1151 DESKTOP
3600 MHz / Cores: 6 / Jan 2018
Intel Core i5-8600K

Intel Core i7-7800X
Intel Socket 2066 DESKTOP
3500 MHz / Cores: 6 / Jun 2017
Intel Core i7-7800X

Summary

Synthetic performance index

  • Intel Core i5-8600K
    100%
  • Intel Core i7-7800X
    113%

Relative performance

Single thread performance index

  • Intel Core i5-8600K
    101%
  • Intel Core i7-7800X
    100%

Relative performance

Multi thread performance index

  • Intel Core i5-8600K
    100%
  • Intel Core i7-7800X
    128%

Relative performance

Reasons to consider Intel Core i5-8600K

45 watts lower power draw.

Reasons to consider Intel Core i7-7800X

Much higher multi threaded performance (around 28% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.

No winner

Gaming

No clear winner declared


Intel Core i7-7800X

Productivity

HWBench recommends Intel Core i7-7800X

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

Specifications

Features

Intel Core i5-8600K Intel Core i7-7800X
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 i5-8600K Intel Core i7-7800X
Architecture Intel_CoffeeLake vs Intel_Kabylake
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Coffee Lake vs Skylake-X
Release Date Jan 2018 vs Jun 2017

Cores

Intel Core i5-8600K Intel Core i7-7800X
Cores 6 vs 6
Threads 6 vs 12
SMPs 1 vs 1
Integrated Graphics No vs No

Cache

Intel Core i5-8600K Intel Core i7-7800X
L1 Cache 64 KB (per core) vs 64 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 9216 KB (shared) vs 8448 KB (shared)

Physical

Intel Core i5-8600K Intel Core i7-7800X
Socket Intel Socket 1151 vs Intel Socket 2066
Max Case Temp 72°C vs 72°C
Package FC-LGA1151 vs FC-LGA2066
Die Size 151 mm² vs 308 mm²
Process 14 nm vs 14 nm

Performance

Intel Core i5-8600K Intel Core i7-7800X
Cpu Frequency 3600 MHz vs 3500 MHz
Turbo Clock Speed 4300 MHz vs 4000 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 95 W vs 140 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-8600K
    4945 points
  • Intel Core i7-7800X
    4800 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-8600K
    24840 points
  • Intel Core i7-7800X
    30240 points

Points - higher is better


Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-8600K
    1038
  • Intel Core i7-7800X
    1333

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-8600K
    187
  • Intel Core i7-7800X
    185

points - higher is better