Intel Core i7-8086K vs Intel Core i9-7900X

Intel Core i7-8086K
Intel Socket 1151DESKTOP
4000 MHz / Cores: 6 / Jun 2018
Intel Core i7-8086K
Intel Core i9-7900X
Intel Socket 2066DESKTOP
3300 MHz / Cores: 10 / Jun 2017
Intel Core i9-7900X

Summary

Synthetic performance index

  • Intel Core i7-8086K
    100%
  • Intel Core i9-7900X
    115%

Relative performance

Single thread performance index

  • Intel Core i7-8086K
    112%
  • Intel Core i9-7900X
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-8086K
    100%
  • Intel Core i9-7900X
    142%

Relative performance

Reasons to consider Intel Core i7-8086K

12% higher single threaded performance.
45 watts lower power draw.
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i9-7900X.

Reasons to consider Intel Core i9-7900X

Much higher multi threaded performance (around 42% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.

No winner

Gaming

No clear winner declared


Intel Core i9-7900X

Productivity

HWBench recommends Intel Core i9-7900X

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


Specifications

Features

Intel Core i7-8086KIntel Core i9-7900X
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
Boost 3.0

Architecture

Intel Core i7-8086KIntel Core i9-7900X
ArchitectureIntel_CoffelakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsSkylake-X
Release DateJun 2018vsJun 2017

Cores

Intel Core i7-8086KIntel Core i9-7900X
Cores6vs10
Threads12vs20
SMPs1vs1
Integrated GraphicsUHD Graphics 630vsNo

Cache

Intel Core i7-8086KIntel Core i9-7900X
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache12288 KB (shared)vs14080 KB (shared)

Physical

Intel Core i7-8086KIntel Core i9-7900X
SocketIntel Socket 1151vsIntel Socket 2066
Max Case Temp72°Cvs72°C
PackageFC-LGA14CvsFC-LGA2066
Die Sizeunknownvs308mm²
Process14 nmvs14 nm

Performance

Intel Core i7-8086KIntel Core i9-7900X
Cpu Frequency4000 MHzvs3300 MHz
Turbo Clock5000 MHzvs4300 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs140 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-8086K
    6000 points
  • Intel Core i9-7900X
    5160 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-8086K
    34560 points
  • Intel Core i9-7900X
    47520 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-8086K (simulated)
    214.89
  • Intel Core i9-7900X
    191

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-8086K (simulated)
    1526.49
  • Intel Core i9-7900X
    2169

points - higher is better