Intel Core i7-2700K vs Intel Core i5-6600K

Intel Core i7-2700K
Intel Socket 1155DESKTOP
3500 MHz / Cores: 4 / Oct 2011
Intel Core i7-2700K
Intel Core i5-6600K
Intel Socket 1151DESKTOP
3500 MHz / Cores: 4 / Jul 2015
Intel Core i5-6600K

Summary

Synthetic performance index

  • Intel Core i7-2700K
    100%
  • Intel Core i5-6600K
    108%

Relative performance

Single thread performance index

  • Intel Core i7-2700K
    100%
  • Intel Core i5-6600K
    124%

Relative performance

Multi thread performance index

  • Intel Core i7-2700K
    100%
  • Intel Core i5-6600K
    100%

Relative performance

Reasons to consider Intel Core i7-2700K

None

Reasons to consider Intel Core i5-6600K

Much higher single threaded performance (around 24% higher), makes a noticeable performance difference in gaming and the majority of applications.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 8% higher average synthetic performance.

Intel Core i5-6600K

Gaming

HWBench recommends Intel Core i5-6600K

Based on game and synthetic benchmarks, and theoretical specifications.

No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i7-2700KIntel Core i5-6600K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
EIST
Intel 64
XD bit
VT-x
Hyper-Threading
AES-NI
AVX2
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0

Architecture

Intel Core i7-2700KIntel Core i5-6600K
ArchitectureIntel_SandyBridgevsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR3vsDDR4
CodenameSandy BridgevsSkylake
Release DateOct 2011vsJul 2015

Cores

Intel Core i7-2700KIntel Core i5-6600K
Cores4vs4
Threads8vs4
SMPs1vs1
Integrated GraphicsIntel HD 3000vsHD Graphics 530

Cache

Intel Core i7-2700KIntel Core i5-6600K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache8192 KB (shared)vs6144 KB (shared)

Physical

Intel Core i7-2700KIntel Core i5-6600K
SocketIntel Socket 1155vsIntel Socket 1151
Max Case Tempunknownvs72°C
PackageFC-LGA10vsFC-LGA12C
Die Size216mm²vsunknown
Process32 nmvs14 nm

Performance

Intel Core i7-2700KIntel Core i5-6600K
Cpu Frequency3500 MHzvs3500 MHz
Turbo Clock3900 MHzvs3900 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-2700K
    3900 points
  • Intel Core i5-6600K
    4485 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-2700K
    16800 points
  • Intel Core i5-6600K
    16100 points

Points - higher is better

Synthetic benchmarks

GeekBench 3 (32-bit Multi Core)

  • Intel Core i7-2700K
    13115
  • Intel Core i5-6600K
    13321

points - higher is better

GeekBench 3 (64-bit Single Core)

  • Intel Core i7-2700K
    3578
  • Intel Core i5-6600K
    4677

points - higher is better

GeekBench 3 (64-bit Multi Core)

  • Intel Core i7-2700K
    13982
  • Intel Core i5-6600K
    15019

points - higher is better

GeekBench 3 (32-bit Single Core)

  • Intel Core i7-2700K
    3334
  • Intel Core i5-6600K
    4217

points - higher is better

3DMark06 CPU

  • Intel Core i7-2700K
    6837
  • Intel Core i5-6600K
    7413

points - higher is better

Cinebench R10 32Bit Single

  • Intel Core i7-2700K
    4967
  • Intel Core i5-6600K
    6188

points - higher is better

Cinebench R10 32Bit Multi

  • Intel Core i7-2700K
    19675
  • Intel Core i5-6600K
    21324

points - higher is better

Cinebench R11.5 64Bit

  • Intel Core i7-2700K
    7
  • Intel Core i5-6600K
    6.93

points - higher is better

SuperPI 1M

  • Intel Core i7-2700K
    9.84
  • Intel Core i5-6600K
    9.5

seconds - lower is better

WinRAR 4.0

  • Intel Core i7-2700K
    3537
  • Intel Core i5-6600K
    3643

MB/s - higher is better

x264 Pass 1

  • Intel Core i7-2700K
    147
  • Intel Core i5-6600K
    196.3

FPS - higher is better

x264 Pass 2

  • Intel Core i7-2700K
    37.5
  • Intel Core i5-6600K
    40.1

FPS - higher is better

TrueCrypt AES

  • Intel Core i7-2700K
    3.5
  • Intel Core i5-6600K
    3.2

GB/s

TrueCrypt Twofish

  • Intel Core i7-2700K
    0.58
  • Intel Core i5-6600K
    0.52

GB/s

TrueCrypt Serpent

  • Intel Core i7-2700K
    0.33
  • Intel Core i5-6600K
    0.31

GB/s

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-2700K (simulated)
    132.39
  • Intel Core i5-6600K
    166

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-2700K (simulated)
    632.06
  • Intel Core i5-6600K
    602

points - higher is better