Intel Core i7-6900K vs Intel Core i7-7700K

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

Intel Core i7-7700K
Intel Socket 1151DESKTOP
4200 MHz / Cores: 4 / Sep 2016
Intel Core i7-7700K

Summary

Synthetic performance index

  • Intel Core i7-6900K
    140%
  • Intel Core i7-7700K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-6900K
    100%
  • Intel Core i7-7700K
    120%

Relative performance

Multi thread performance index

  • Intel Core i7-6900K
    159%
  • Intel Core i7-7700K
    100%

Relative performance

Reasons to consider Intel Core i7-6900K

Much higher multi threaded performance (around 59% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Around 40% higher average synthetic performance.

Reasons to consider Intel Core i7-7700K

Much higher single threaded performance (around 20% higher), makes a noticeable performance difference in gaming and the majority of applications.
45 watts lower power draw.
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-6900K.

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 i7-6900KIntel Core i7-7700K
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 i7-6900KIntel Core i7-7700K
ArchitectureIntel_BroadwellvsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameBroadwell-EvsKaby Lake
Release DateMay 2016vsSep 2016

Cores

Intel Core i7-6900KIntel Core i7-7700K
Cores8vs4
Threads16vs8
SMPs1vs1
Integrated GraphicsNovsHD Graphics

Cache

Intel Core i7-6900KIntel Core i7-7700K
L1 Cache32 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache20480 KB (shared)vs8192 KB (shared)

Physical

Intel Core i7-6900KIntel Core i7-7700K
SocketIntel Socket 2011-3vsIntel Socket 1151
Max Case Temp72°Cvs72°C
Packagevs
Die Size0 mm²vs0 mm²
Process14 nmvs14 nm

Performance

Intel Core i7-6900KIntel Core i7-7700K
Cpu Frequency3200 MHzvs4200 MHz
Turbo Clock Speed3700 MHzvs4500 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP140 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-6900K
    4144 points
  • Intel Core i7-7700K
    5400 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-6900K
    34406 points
  • Intel Core i7-7700K
    24192 points

Points - higher is better


Synthetic benchmarks

Rendering: LuxMark CPU OpenCL

  • Intel Core i7-6900K
    3959
  • Intel Core i7-7700K
    2465

points - higher is better

Rendering: LuxMark CPU C++

  • Intel Core i7-6900K
    4691
  • Intel Core i7-7700K
    2884

points - higher is better

Rendering: POV-Ray 3.7

  • Intel Core i7-6900K
    3196
  • Intel Core i7-7700K
    2097

points per second - higher is better

7-zip

  • Intel Core i7-6900K
    43496
  • Intel Core i7-7700K
    27343

MIPS - higher is better

3D Particle Movement (Single Threaded)

  • Intel Core i7-6900K
    132.09
  • Intel Core i7-7700K
    150.72

points - higher is better

3D Particle Movement (Multi Threaded)

  • Intel Core i7-6900K
    1429.65
  • Intel Core i7-7700K
    882.98

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-6900K
    154
  • Intel Core i7-7700K
    196

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-6900K
    1549
  • Intel Core i7-7700K
    972

points - higher is better