Intel Core i7-8700K vs Intel Core i7-7700K

Intel Core i7-8700K
Intel Socket 1151DESKTOP
3700 MHz / Cores: 6 / Oct 2017
Intel Core i7-8700K

Intel Core i7-7700K
Intel Socket 1151DESKTOP
4200 MHz / Cores: 4 / Sep 2016
Intel Core i7-7700K

Summary

Synthetic performance index

  • Intel Core i7-8700K
    124%
  • Intel Core i7-7700K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-8700K
    103%
  • Intel Core i7-7700K
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-8700K
    145%
  • Intel Core i7-7700K
    100%

Relative performance

Reasons to consider Intel Core i7-8700K

Much higher multi threaded performance (around 45% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Around 24% higher average synthetic performance.

Reasons to consider Intel Core i7-7700K

None

Intel Core i7-8700K

Gaming

HWBench recommends Intel Core i7-8700K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-8700K

Productivity

HWBench recommends Intel Core i7-8700K

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


Specifications

Features

Intel Core i7-8700KIntel Core i7-7700K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
HTT
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0

Architecture

Intel Core i7-8700KIntel Core i7-7700K
ArchitectureIntel_CoffelakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsKaby Lake
Release DateOct 2017vsSep 2016

Cores

Intel Core i7-8700KIntel Core i7-7700K
Cores6vs4
Threads12vs8
SMPs1vs1
Integrated GraphicsIntel UHD 630vsIntel HD Graphics 630

Cache

Intel Core i7-8700KIntel Core i7-7700K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache12288 KB (shared)vs8192 KB (shared)

Physical

Intel Core i7-8700KIntel Core i7-7700K
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1151vs
Die Size151mm²vsunknown
Process14 nmvs14 nm

Performance

Intel Core i7-8700KIntel Core i7-7700K
Cpu Frequency3700 MHzvs4200 MHz
Turbo Clock Speed4700 MHzvs4500 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-8700K
    5640 points
  • Intel Core i7-7700K
    5400 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-8700K
    31968 points
  • Intel Core i7-7700K
    24192 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-8700K
    1412
  • Intel Core i7-7700K
    972

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-8700K
    202
  • Intel Core i7-7700K
    196

points - higher is better