Intel Core i7-2700K vs Intel Core i7-6700K

Intel Core i7-2700K
Intel Socket 1155DESKTOP
3500 MHz / Cores: 4 / Oct 2011
Intel Core i7-2700K
Intel Core i7-6700K
Intel Socket 1151DESKTOP
4000 MHz / Cores: 4 / Aug 2015
Intel Core i7-6700K

Summary

Synthetic performance index

  • Intel Core i7-2700K
    100%
  • Intel Core i7-6700K
    133%

Relative performance

Single thread performance index

  • Intel Core i7-2700K
    100%
  • Intel Core i7-6700K
    130%

Relative performance

Multi thread performance index

  • Intel Core i7-2700K
    100%
  • Intel Core i7-6700K
    134%

Relative performance

Reasons to consider Intel Core i7-2700K

None

Reasons to consider Intel Core i7-6700K

Much higher single threaded performance (around 30% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 34% 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 33% higher average synthetic performance.

Intel Core i7-6700K

Gaming

HWBench recommends Intel Core i7-6700K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-6700K

Productivity

HWBench recommends Intel Core i7-6700K

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


Specifications

Features

Intel Core i7-2700KIntel Core i7-6700K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
EIST
Intel 64
XD bit
VT-x
Hyper-Threading
AES-NI
AVX2
VT-d
HTT
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0

Architecture

Intel Core i7-2700KIntel Core i7-6700K
ArchitectureIntel_SandyBridgevsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR3vsDDR4
CodenameSandy BridgevsSkylake
Release DateOct 2011vsAug 2015

Cores

Intel Core i7-2700KIntel Core i7-6700K
Cores4vs4
Threads8vs8
SMPs1vs1
Integrated GraphicsIntel HD 3000vsHD Graphics 530

Cache

Intel Core i7-2700KIntel Core i7-6700K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache8192 KB (shared)vs8192 KB (shared)

Physical

Intel Core i7-2700KIntel Core i7-6700K
SocketIntel Socket 1155vsIntel Socket 1151
Max Case Tempunknownvs72°C
PackageFC-LGA10vs
Die Size216mm²vsunknown
Process32 nmvs14 nm

Performance

Intel Core i7-2700KIntel Core i7-6700K
Cpu Frequency3500 MHzvs4000 MHz
Turbo Clock3900 MHzvs4200 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 i7-6700K
    4830 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-2700K
    16800 points
  • Intel Core i7-6700K
    22264 points

Points - higher is better

Synthetic benchmarks

GeekBench 3 (32-bit Multi Core)

  • Intel Core i7-2700K
    13115
  • Intel Core i7-6700K
    17181

points - higher is better

GeekBench 3 (64-bit Single Core)

  • Intel Core i7-2700K
    3578
  • Intel Core i7-6700K
    4980

points - higher is better

GeekBench 3 (64-bit Multi Core)

  • Intel Core i7-2700K
    13982
  • Intel Core i7-6700K
    19391

points - higher is better

GeekBench 3 (32-bit Single Core)

  • Intel Core i7-2700K
    3334
  • Intel Core i7-6700K
    4422

points - higher is better

3DMark06 CPU

  • Intel Core i7-2700K
    6837
  • Intel Core i7-6700K
    9037

points - higher is better

Cinebench R10 32Bit Single

  • Intel Core i7-2700K
    4967
  • Intel Core i7-6700K
    6487

points - higher is better

Cinebench R10 32Bit Multi

  • Intel Core i7-2700K
    19675
  • Intel Core i7-6700K
    25817

points - higher is better

Cinebench R11.5 64Bit

  • Intel Core i7-2700K
    7
  • Intel Core i7-6700K
    9.65

points - higher is better

SuperPI 1M

  • Intel Core i7-2700K
    9.84
  • Intel Core i7-6700K
    9

seconds - lower is better

wPrime 32

  • Intel Core i7-2700K
    7.15
  • Intel Core i7-6700K
    6.66

seconds - lower is better

WinRAR 4.0

  • Intel Core i7-2700K
    3537
  • Intel Core i7-6700K
    5877

MB/s - higher is better

x264 Pass 1

  • Intel Core i7-2700K
    147
  • Intel Core i7-6700K
    204.75

FPS - higher is better

x264 Pass 2

  • Intel Core i7-2700K
    37.5
  • Intel Core i7-6700K
    54.58

FPS - higher is better

TrueCrypt AES

  • Intel Core i7-2700K
    3.5
  • Intel Core i7-6700K
    4.35

GB/s

TrueCrypt Twofish

  • Intel Core i7-2700K
    0.58
  • Intel Core i7-6700K
    0.73

GB/s

TrueCrypt Serpent

  • Intel Core i7-2700K
    0.33
  • Intel Core i7-6700K
    0.45

GB/s

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-2700K (simulated)
    132.39
  • Intel Core i7-6700K
    177.5

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-2700K (simulated)
    632.06
  • Intel Core i7-6700K
    880

points - higher is better