Intel Core i7-7700K vs Intel Core i7-5820K

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

Intel Core i7-5820K
Intel Socket 2011-3DESKTOP
3300 MHz / Cores: 6 / Sep 2014
Intel Core i7-5820K

Summary

Synthetic performance index

  • Intel Core i7-7700K
    107%
  • Intel Core i7-5820K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-7700K
    133%
  • Intel Core i7-5820K
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-7700K
    100%
  • Intel Core i7-5820K
    106%

Relative performance

Reasons to consider Intel Core i7-7700K

Much higher single threaded performance (around 33% higher), makes a noticeable performance difference in gaming and the majority of applications.
45 watts lower power draw.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-5820K.

Reasons to consider Intel Core i7-5820K

6% higher multi threaded performance.

No winner

Gaming

No clear winner declared


No winner

Productivity

No clear winner declared




Specifications

Features

Intel Core i7-7700KIntel Core i7-5820K
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

Architecture

Intel Core i7-7700KIntel Core i7-5820K
ArchitectureIntel_KabylakevsIntel_Haswell
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameKaby LakevsHaswell-E
Release DateSep 2016vsSep 2014

Cores

Intel Core i7-7700KIntel Core i7-5820K
Cores4vs6
Threads8vs12
SMPs1vs1
Integrated GraphicsHD GraphicsvsNo

Cache

Intel Core i7-7700KIntel Core i7-5820K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache8192 KB (shared)vs15360 KB (shared)

Physical

Intel Core i7-7700KIntel Core i7-5820K
SocketIntel Socket 1151vsIntel Socket 2011-3
Max Case Temp72°Cvsunknown
Packagevs
Die Size0 mm²vs356 mm²
Process14 nmvs22 nm

Performance

Intel Core i7-7700KIntel Core i7-5820K
Cpu Frequency4200 MHzvs3300 MHz
Turbo Clock Speed4500 MHzvs3600 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs140 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-7700K
    5400 points
  • Intel Core i7-5820K
    4032 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-7700K
    24192 points
  • Intel Core i7-5820K
    26611 points

Points - higher is better


Synthetic benchmarks

Rendering: POV-Ray 3.7

  • Intel Core i7-7700K
    2097
  • Intel Core i7-5820K
    2114

points per second - higher is better

7-zip

  • Intel Core i7-7700K
    27343
  • Intel Core i7-5820K
    30660

MIPS - higher is better

3D Particle Movement (Single Threaded)

  • Intel Core i7-7700K
    150.72
  • Intel Core i7-5820K
    118.67

points - higher is better

3D Particle Movement (Multi Threaded)

  • Intel Core i7-7700K
    882.98
  • Intel Core i7-5820K
    950.06

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-7700K
    196
  • Intel Core i7-5820K
    141

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-7700K
    972
  • Intel Core i7-5820K
    1022

points - higher is better