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

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

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

Summary

Synthetic performance index

  • Intel Core i7-6800K
    113%
  • Intel Core i7-6700K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-6800K
    100%
  • Intel Core i7-6700K
    113%

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 13% higher average synthetic performance.

Reasons to consider Intel Core i7-6700K

13% 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 i7-6800K Intel 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 i7-6800K Intel Core i7-6700K
Architecture Intel_Broadwell vs Intel_Skylake
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Broadwell-E vs Skylake
Release Date May 2016 vs Aug 2015

Cores

Intel Core i7-6800K Intel Core i7-6700K
Cores 6 vs 4
Threads 12 vs 8
SMPs 1 vs 1
Integrated Graphics No vs HD Graphics 530

Cache

Intel Core i7-6800K Intel Core i7-6700K
L1 Cache 32 KB (per core) vs 64 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 15360 KB (shared) vs 8192 KB (shared)

Physical

Intel Core i7-6800K Intel Core i7-6700K
Socket Intel Socket 2011-3 vs Intel Socket 1151
Max Case Temp 72°C vs 72°C
Package vs
Die Size 0 mm² vs 0 mm²
Process 14 nm vs 14 nm

Performance

Intel Core i7-6800K Intel Core i7-6700K
Cpu Frequency 3400 MHz vs 4000 MHz
Turbo Clock Speed 3800 MHz vs 4200 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 140 W vs 95 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
    22080 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