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

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

Intel Core i7-6800K
3200 MHz / Cores: 6 / May 2016
Intel Core i7-6800KIntel Socket 2011-3
Type: Desktop

Summary

Reasons to consider Intel Core i7-6900K

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

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 i7-6900KIntel 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 i7-6900KIntel Core i7-6800K
ArchitectureIntel_BroadwellvsIntel_Broadwell
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameBroadwell-EvsBroadwell-E
Release DateMay 2016vsMay 2016

Cores

Intel Core i7-6900KIntel Core i7-6800K
Cores8vs6
Threads16vs12
SMPs1vs1
Integrated GraphicsNovsNo

Cache

Intel Core i7-6900KIntel Core i7-6800K
L1 Cache32 KB (per core)vs32 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache20480 KB (shared)vs15360 KB (shared)

Physical

Intel Core i7-6900KIntel Core i7-6800K
SocketIntel Socket 2011-3vsIntel Socket 2011-3
Max Case Temp72°Cvs72°C
Packagevs
Die Size0 mm²vs0 mm²
Process14 nmvs14 nm

Performance

Intel Core i7-6900KIntel Core i7-6800K
Cpu Frequency3200 MHzvs3400 MHz
Turbo Clock Speed3700 MHzvs3800 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP140 Wvs140 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