Intel Core i5-9400 vs Intel Core i3-8120

Intel Core i5-9400
Intel Socket 1151DESKTOP
2900 MHz / Cores: 6 / Sep 2018
Intel Core i5-9400

Intel Core i3-8120
Intel Socket 1151DESKTOP
3700 MHz / Cores: 4 / Sep 2018
Intel Core i3-8120

Summary

Synthetic performance index

  • Intel Core i5-9400
    116%
  • Intel Core i3-8120
    100%

Relative performance

Single thread performance index

  • Intel Core i5-9400
    109%
  • Intel Core i3-8120
    100%

Relative performance

Multi thread performance index

  • Intel Core i5-9400
    123%
  • Intel Core i3-8120
    100%

Relative performance

Reasons to consider Intel Core i5-9400

9% higher single threaded performance.
Much higher multi threaded performance (around 23% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Around 16% higher average synthetic performance.

Reasons to consider Intel Core i3-8120

None

Intel Core i5-9400

Gaming

HWBench recommends Intel Core i5-9400

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i5-9400

Productivity

HWBench recommends Intel Core i5-9400

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


Specifications

Features

Intel Core i5-9400Intel Core i3-8120
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

Architecture

Intel Core i5-9400Intel Core i3-8120
ArchitectureIntel_CoffelakevsIntel_Coffelake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsCoffee Lake
Release DateSep 2018vsSep 2018

Cores

Intel Core i5-9400Intel Core i3-8120
Cores6vs4
Threads6vs4
SMPs1vs1
Integrated GraphicsUHD Graphics 630vsUHD Graphics 630

Cache

Intel Core i5-9400Intel Core i3-8120
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache9216 KB (shared)vs6144 KB (shared)

Physical

Intel Core i5-9400Intel Core i3-8120
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1151vsFC-LGA1151
Die Sizeunknownvsunknown
Process14 nmvs14 nm

Performance

Intel Core i5-9400Intel Core i3-8120
Cpu Frequency2900 MHzvs3700 MHz
Turbo Clock Speed4100 MHzvsnone
Base Clock100 MHzvs100 MHz
Voltagevariablevsvariable
TDP65 Wvs65 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-9400
    4920 points
  • Intel Core i3-8120
    4440 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-9400
    20880 points
  • Intel Core i3-8120
    17760 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-9400 (simulated)
    174.25
  • Intel Core i3-8120 (simulated)
    159.31

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-9400 (simulated)
    972.54
  • Intel Core i3-8120 (simulated)
    790.21

points - higher is better