Intel Core i7-6800K vs Intel Core i7-6700K

Intel Core i7-6800K
Intel Socket 2011-3DESKTOP
3400 MHz / Cores: 6 / May 2016
Intel Core i7-6800K

Intel Core i7-6700K
Intel Socket 1151DESKTOP
4000 MHz / Cores: 4 / Aug 2015
Intel Core i7-6700K

Summary

Synthetic performance index

  • Intel Core i7-6800K
    111%
  • Intel Core i7-6700K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-6800K
    100%
  • Intel Core i7-6700K
    114%

Relative performance

Multi thread performance index

  • Intel Core i7-6800K
    122%
  • Intel Core i7-6700K
    100%

Relative performance

Reasons to consider Intel Core i7-6800K

Much higher multi threaded performance (around 22% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Around 11% higher average synthetic performance.

Reasons to consider Intel Core i7-6700K

14% higher single threaded performance.
45 watts lower power draw.
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-6800K.

Intel Core i7-6800K

Gaming

HWBench recommends Intel Core i7-6800K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-6800K

Productivity

HWBench recommends Intel Core i7-6800K

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



Specifications

Features

Intel Core i7-6800KIntel Core i7-6700K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
HTT
AES-NI
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0
TSX

Architecture

Intel Core i7-6800KIntel Core i7-6700K
ArchitectureIntel_BroadwellvsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameBroadwell-EvsSkylake
Release DateMay 2016vsAug 2015

Cores

Intel Core i7-6800KIntel Core i7-6700K
Cores6vs4
Threads12vs8
SMPs1vs1
Integrated GraphicsNovsHD Graphics 530

Cache

Intel Core i7-6800KIntel Core i7-6700K
L1 Cache32 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache15360 KB (shared)vs8192 KB (shared)

Physical

Intel Core i7-6800KIntel Core i7-6700K
SocketIntel Socket 2011-3vsIntel Socket 1151
Max Case Temp72°Cvs72°C
Packagevs
Die Size0 mm²vs0 mm²
Process14 nmvs14 nm

Performance

Intel Core i7-6800KIntel Core i7-6700K
Cpu Frequency3400 MHzvs4000 MHz
Turbo Clock Speed3800 MHzvs4200 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP140 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-6800K
    4256 points
  • Intel Core i7-6700K
    4830 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-6800K
    27417 points
  • Intel Core i7-6700K
    22264 points

Points - higher is better


Synthetic benchmarks

Rendering: POV-Ray 3.7

  • Intel Core i7-6800K
    2240
  • Intel Core i7-6700K
    1899

points per second - higher is better

7-zip

  • Intel Core i7-6800K
    31102
  • Intel Core i7-6700K
    24909

MIPS - higher is better

3D Particle Movement (Single Threaded)

  • Intel Core i7-6800K
    119.27
  • Intel Core i7-6700K
    135.12

points - higher is better

3D Particle Movement (Multi Threaded)

  • Intel Core i7-6800K
    991.01
  • Intel Core i7-6700K
    796.61

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-6800K
    1096
  • Intel Core i7-6700K
    880

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-6800K
    154
  • Intel Core i7-6700K
    177.5

points - higher is better