Intel Core i5-9400F vs Intel Core i9-9900K

Intel Core i5-9400F
Intel Socket 1151DESKTOP
2900 MHz / Cores: 6 / Jan 2019
Intel Core i5-9400F
Intel Core i9-9900K
Intel Socket 1151DESKTOP
3600 MHz / Cores: 8 / Sep 2018
Intel Core i9-9900K

Summary

Synthetic performance index

  • Intel Core i5-9400F
    100%
  • Intel Core i9-9900K
    169%

Relative performance

Single thread performance index

  • Intel Core i5-9400F
    100%
  • Intel Core i9-9900K
    125%

Relative performance

Multi thread performance index

  • Intel Core i5-9400F
    100%
  • Intel Core i9-9900K
    213%

Relative performance

Reasons to consider Intel Core i5-9400F

None

Reasons to consider Intel Core i9-9900K

Much higher single threaded performance (around 25% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 113% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-9400F.
Around 69% higher average synthetic performance.

Intel Core i9-9900K

Gaming

HWBench recommends Intel Core i9-9900K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i9-9900K

Productivity

HWBench recommends Intel Core i9-9900K

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


Specifications

Features

Intel Core i5-9400FIntel Core i9-9900K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0
HTT

Architecture

Intel Core i5-9400FIntel Core i9-9900K
ArchitectureIntel_CoffelakevsIntel_Coffelake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsCoffee Lake
Release DateJan 2019vsSep 2018

Cores

Intel Core i5-9400FIntel Core i9-9900K
Cores6vs8
Threads6vs16
SMPs1vs1
Integrated GraphicsNovsUHD Graphics 630

Cache

Intel Core i5-9400FIntel Core i9-9900K
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache256K (per core)vs256 KB (per core)
L3 Cache9MB (shared)vs16896 KB (shared)

Physical

Intel Core i5-9400FIntel Core i9-9900K
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1151vsFC-LGA14C
Die Sizeunknownvsunknown
Process14 nmvs14 nm

Performance

Intel Core i5-9400FIntel Core i9-9900K
Cpu Frequency2900 MHzvs3600 MHz
Turbo Clock4100 MHzvs5000 MHz
Base Clock100 MHzvs100 MHz
Voltagevariablevsunknown
TDP65 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-9400F
    4920 points
  • Intel Core i9-9900K
    6000 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-9400F
    20880 points
  • Intel Core i9-9900K
    41472 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-9400F (simulated)
    174.25
  • Intel Core i9-9900K
    218

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-9400F (simulated)
    972.54
  • Intel Core i9-9900K
    2077

points - higher is better