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

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

Intel Core i7-6700K
3400 MHz / Cores: 4 / Aug 2015
Intel Core i7-6700KIntel Socket 1151
Type: Desktop

Summary

Reasons to consider Intel Core i7-6800K

Higher theoretical multi-threaded performance, based on specifications plus core architecture.

Reasons to consider Intel Core i7-6700K

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.
Higher theoretical single-threaded performance, based on raw specifications plus core architecture.

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
    22080 points

Points - higher is better