Intel Core i7-9700K vs Intel Core i5-6600K

Intel Core i7-9700K
Intel Socket 1151DESKTOP
3600 MHz / Cores: 8 / Sep 2018
Intel Core i7-9700K
Intel Core i5-6600K
Intel Socket 1151DESKTOP
3500 MHz / Cores: 4 / Jul 2015
Intel Core i5-6600K

Summary

Synthetic performance index

  • Intel Core i7-9700K
    191%
  • Intel Core i5-6600K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-9700K
    127%
  • Intel Core i5-6600K
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-9700K
    256%
  • Intel Core i5-6600K
    100%

Relative performance

Reasons to consider Intel Core i7-9700K

Much higher single threaded performance (around 27% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 156% 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 91% higher average synthetic performance.

Reasons to consider Intel Core i5-6600K

None

Intel Core i7-9700K

Gaming

HWBench recommends Intel Core i7-9700K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-9700K

Productivity

HWBench recommends Intel Core i7-9700K

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


Specifications

Features

Intel Core i7-9700KIntel Core i5-6600K
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 i7-9700KIntel Core i5-6600K
ArchitectureIntel_CoffelakevsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsSkylake
Release DateSep 2018vsJul 2015

Cores

Intel Core i7-9700KIntel Core i5-6600K
Cores8vs4
Threads8vs4
SMPs1vs1
Integrated GraphicsUHD Graphics 630vsHD Graphics 530

Cache

Intel Core i7-9700KIntel Core i5-6600K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache12288 KB (shared)vs6144 KB (shared)

Physical

Intel Core i7-9700KIntel Core i5-6600K
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA14CvsFC-LGA12C
Die Sizeunknownvsunknown
Process14 nmvs14 nm

Performance

Intel Core i7-9700KIntel Core i5-6600K
Cpu Frequency3600 MHzvs3500 MHz
Turbo Clock4900 MHzvs3900 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-9700K
    5880 points
  • Intel Core i5-6600K
    4485 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-9700K
    34560 points
  • Intel Core i5-6600K
    16100 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-9700K
    1542
  • Intel Core i5-6600K
    602

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-9700K
    212
  • Intel Core i5-6600K
    166

points - higher is better