Intel Core i7-5820K vs Intel Core i7-6700

Intel Core i7-5820K
Intel Socket 2011-3DESKTOP
3300 MHz / Cores: 6 / Sep 2014
Intel Core i7-5820K
Intel Core i7-6700
Intel Socket 1151DESKTOP
3400 MHz / Cores: 4 / Jul 2015
Intel Core i7-6700

Summary

Synthetic performance index

  • Intel Core i7-5820K
    110%
  • Intel Core i7-6700
    100%

Relative performance

Single thread performance index

  • Intel Core i7-5820K
    100%
  • Intel Core i7-6700
    119%

Relative performance

Multi thread performance index

  • Intel Core i7-5820K
    124%
  • Intel Core i7-6700
    100%

Relative performance

Reasons to consider Intel Core i7-5820K

Much higher multi threaded performance (around 24% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Around 10% higher average synthetic performance.

Reasons to consider Intel Core i7-6700

19% higher single threaded performance.
75 watts lower power draw.

Intel Core i7-5820K

Gaming

HWBench recommends Intel Core i7-5820K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-5820K

Productivity

HWBench recommends Intel Core i7-5820K

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


Specifications

Features

Intel Core i7-5820KIntel Core i7-6700
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
HTT
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0
vPro

Architecture

Intel Core i7-5820KIntel Core i7-6700
ArchitectureIntel_HaswellvsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameHaswell-EvsSkylake
Release DateSep 2014vsJul 2015

Cores

Intel Core i7-5820KIntel Core i7-6700
Cores6vs4
Threads12vs8
SMPs1vs1
Integrated GraphicsNovsNo

Cache

Intel Core i7-5820KIntel Core i7-6700
L1 Cache64 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 i7-5820KIntel Core i7-6700
SocketIntel Socket 2011-3vsIntel Socket 1151
Max Case Tempunknownvs72°C
Packagevs
Die Size356mm²vsunknown
Process22 nmvs14 nm

Performance

Intel Core i7-5820KIntel Core i7-6700
Cpu Frequency3300 MHzvs3400 MHz
Turbo Clock3600 MHzvs4000 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP140 Wvs65 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-5820K
    4032 points
  • Intel Core i7-6700
    4600 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-5820K
    26611 points
  • Intel Core i7-6700
    18924 points

Points - higher is better

Synthetic benchmarks

Rendering: POV-Ray 3.7

  • Intel Core i7-5820K
    2114
  • Intel Core i7-6700
    1748

points per second - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-5820K
    1022
  • Intel Core i7-6700
    802

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-5820K
    141
  • Intel Core i7-6700
    168.5

points - higher is better