Intel Core i7-6900K vs Intel Core i7-6800K

Intel Core i7-6900K
Intel Socket 2011-3 DESKTOP
3200 MHz / Cores: 8 / May 2016
Intel Core i7-6900K

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

Summary

Synthetic performance index

  • Intel Core i7-6900K
    134%
  • Intel Core i7-6800K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-6900K
    110%
  • Intel Core i7-6800K
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-6900K
    142%
  • Intel Core i7-6800K
    100%

Relative performance

Reasons to consider Intel Core i7-6900K

10% higher single threaded performance.
Much higher multi threaded performance (around 42% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Around 34% higher average synthetic performance.

Reasons to consider Intel Core i7-6800K

None

Intel Core i7-6900K

Gaming

HWBench recommends Intel Core i7-6900K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-6900K

Productivity

HWBench recommends Intel Core i7-6900K

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

Specifications

Features

Intel Core i7-6900K Intel Core i7-6800K
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

Architecture

Intel Core i7-6900K Intel Core i7-6800K
Architecture Intel_Broadwell vs Intel_Broadwell
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Broadwell-E vs Broadwell-E
Release Date May 2016 vs May 2016

Cores

Intel Core i7-6900K Intel Core i7-6800K
Cores 8 vs 6
Threads 16 vs 12
SMPs 1 vs 1
Integrated Graphics No vs No

Cache

Intel Core i7-6900K Intel Core i7-6800K
L1 Cache 32 KB (per core) vs 32 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 20480 KB (shared) vs 15360 KB (shared)

Physical

Intel Core i7-6900K Intel Core i7-6800K
Socket Intel Socket 2011-3 vs Intel Socket 2011-3
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 i7-6900K Intel Core i7-6800K
Cpu Frequency 3200 MHz vs 3400 MHz
Turbo Clock Speed 3700 MHz vs 3800 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 140 W vs 140 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-6900K
    4144 points
  • Intel Core i7-6800K
    4256 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-6900K
    34406 points
  • Intel Core i7-6800K
    27417 points

Points - higher is better


Synthetic benchmarks

Rendering: POV-Ray 3.7

  • Intel Core i7-6900K
    3196
  • Intel Core i7-6800K
    2240

points per second - higher is better

7-zip

  • Intel Core i7-6900K
    43496
  • Intel Core i7-6800K
    31102

MIPS - higher is better

3D Particle Movement (Single Threaded)

  • Intel Core i7-6900K
    132.09
  • Intel Core i7-6800K
    119.27

points - higher is better

3D Particle Movement (Multi Threaded)

  • Intel Core i7-6900K
    1429.65
  • Intel Core i7-6800K
    991.01

points - higher is better