Intel Core i7-8700K vs Intel Celeron G3900

Intel Core i7-8700K
Intel Socket 1151DESKTOP
3700 MHz / Cores: 6 / Oct 2017
Intel Core i7-8700K
Intel Celeron G3900
Intel Socket 1151DESKTOP
2800 MHz / Cores: 2 / Sep 2015
Intel Celeron G3900

Summary

Synthetic performance index

  • Intel Core i7-8700K
    391%
  • Intel Celeron G3900
    100%

Relative performance

Single thread performance index

  • Intel Core i7-8700K
    160%
  • Intel Celeron G3900
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-8700K
    622%
  • Intel Celeron G3900
    100%

Relative performance

Reasons to consider Intel Core i7-8700K

Much higher single threaded performance (around 60% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 522% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 291% higher average synthetic performance.

Reasons to consider Intel Celeron G3900

44 watts lower power draw.

Intel Core i7-8700K

Gaming

HWBench recommends Intel Core i7-8700K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-8700K

Productivity

HWBench recommends Intel Core i7-8700K

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


Specifications

Features

Intel Core i7-8700KIntel Celeron G3900
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
SSE4.1

Architecture

Intel Core i7-8700KIntel Celeron G3900
ArchitectureIntel_CoffelakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR3, DDR4
CodenameCoffee LakevsSkylake
Release DateOct 2017vsSep 2015

Cores

Intel Core i7-8700KIntel Celeron G3900
Cores6vs2
Threads12vs2
SMPs1vs1
Integrated GraphicsIntel UHD 630vsIntel HD 510

Cache

Intel Core i7-8700KIntel Celeron G3900
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache12288 KB (shared)vs4096 KB (shared)

Physical

Intel Core i7-8700KIntel Celeron G3900
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs65°C
PackageFC-LGA1151vs
Die Size151mm²vs150mm²
Process14 nmvs14 nm

Performance

Intel Core i7-8700KIntel Celeron G3900
Cpu Frequency3700 MHzvs2800 MHz
Turbo Clock4700 MHzvsnone
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP95 Wvs51 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-8700K
    5640 points
  • Intel Celeron G3900
    3360 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-8700K
    31968 points
  • Intel Celeron G3900
    6720 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-8700K
    1412
  • Intel Celeron G3900
    227

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-8700K
    202
  • Intel Celeron G3900 (simulated)
    125.65

points - higher is better