Intel Core i5-8400 vs Intel Core i5-6500

Intel Core i5-8400
Intel Socket 1151DESKTOP
2800 MHz / Cores: 6 / Jan 2018
Intel Core i5-8400
Intel Core i5-6500
Intel Socket 1151DESKTOP
3200 MHz / Cores: 4 / Jul 2015
Intel Core i5-6500

Summary

Synthetic performance index

  • Intel Core i5-8400
    142%
  • Intel Core i5-6500
    100%

Relative performance

Single thread performance index

  • Intel Core i5-8400
    112%
  • Intel Core i5-6500
    100%

Relative performance

Multi thread performance index

  • Intel Core i5-8400
    173%
  • Intel Core i5-6500
    100%

Relative performance

Reasons to consider Intel Core i5-8400

12% higher single threaded performance.
Much higher multi threaded performance (around 73% 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).
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-6500.
Around 42% higher average synthetic performance.

Reasons to consider Intel Core i5-6500

None

Intel Core i5-8400

Gaming

HWBench recommends Intel Core i5-8400

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i5-8400

Productivity

HWBench recommends Intel Core i5-8400

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


Specifications

Features

Intel Core i5-8400Intel Core i5-6500
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
vPro

Architecture

Intel Core i5-8400Intel Core i5-6500
ArchitectureIntel_CoffelakevsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameCoffee LakevsSkylake
Release DateJan 2018vsJul 2015

Cores

Intel Core i5-8400Intel Core i5-6500
Cores6vs4
Threads6vs4
SMPs1vs1
Integrated GraphicsIntel UHD 630vsNo

Cache

Intel Core i5-8400Intel Core i5-6500
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 i5-8400Intel Core i5-6500
SocketIntel Socket 1151vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1151vsFC-LGA12C
Die Size151mm²vs177mm²
Process14 nmvs14 nm

Performance

Intel Core i5-8400Intel Core i5-6500
Cpu Frequency2800 MHzvs3200 MHz
Turbo Clock4000 MHzvs3600 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP65 Wvs65 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-8400
    4800 points
  • Intel Core i5-6500
    4140 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-8400
    20160 points
  • Intel Core i5-6500
    14720 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-8400
    939
  • Intel Core i5-6500
    541.5

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-8400
    170
  • Intel Core i5-6500
    151

points - higher is better