Intel Core i5 8400
[ INTEL ] Processors

Intel Core i5 8400

Overall Score
30/100
GRADE D · Poor
[ EXPERT VERDICT · SUMMARY ]

Intel Core i5 8400 is an engineering-tested processors achieving an overall rating of 30/100. It is positioned for balanced everyday compute and power efficiency.

Benchmark Performance Scores

Normalized 0–100 Scale
Efficiency
42/100
Rating: Poor
Performance
40/100
Rating: Poor

Detailed Technical Specifications

CPU

CPU specifications for Intel Core i5 8400
Specification Value
Base Frequency (P) 2.8 GHz
Bus Bandwidth 8 GT/s
Bus Frequency 100 MHz
L1 Cache 64K (per core)
L2 Cache 256K (per core)
L3 Cache 9MB (shared)
Multiplier 28x
P-Cores 6
P-Threads 6
Total Cores 6
Total Threads 6
Turbo Boost Frequency (P) 4 GHz
Unlocked Multiplier No

GeekBench v6

GeekBench v6 specifications for Intel Core i5 8400
Specification Value
Background blur 33.8 images/sec
Clang compilation 36 Klines/sec
File compression 392.9 MB/sec
HTML 5 Browser 115 pages/sec
PDF Renderer 156.8 Mpixels/sec
Photo processing 49.9 images/sec
Ray tracing 5.93 Mpixels/sec
Text processing 139 pages/sec

General

General specifications for Intel Core i5 8400
Specification Value
AMD Equivalent -AMD Ryzen 5 2400G
Codename Coffee Lake
Instruction Set x86-64
Integrated GPU UHD Graphics 630
Model number i5-8400
Released October 5, 2017
Successor -Intel Core Ultra 5 225
Type Desktop
Vendor Intel

Memory Support

Memory Support specifications for Intel Core i5 8400
Specification Value
ECC Support No
Max. Memory Bandwidth 41.6 GB/s
Max. Memory Size 128 GB
Memory Channels 2
Memory Types - DDR4-2666

Misc

Misc specifications for Intel Core i5 8400
Specification Value
Official Site Intel Core i5 8400 official page
PCI Express Lanes 16
PCI Express Version 3.0
Technologies - Compute: BMI1, BMI2, CLMUL, F16C- Performance: Boost 2.0, EIST, TSX- Virtualization: VT-d, VT-x- Security: TXT, XD bit

Package

Package specifications for Intel Core i5 8400
Specification Value
Fabrication Process 14 nm
Peak Temperature 100°C
Socket LGA-1151
TDP (PL1) 65 W

PassMark

PassMark specifications for Intel Core i5 8400
Specification Value
Data compression 129.6 MBytes/sec
Data encryption 2.8 GBytes/sec
Extended instructions 11.5B Matrices/sec
Find prime numbers 37M Primes/sec
Floating point math 22 GOps/sec
Integer math 25.6 GOps/sec
Physics 634 Frames/sec
Random string sorting 15.9M Strings/sec

Performance Per Watt

Performance Per Watt specifications for Intel Core i5 8400
Specification Value
Blender / Watt 1.19 PPW
Cinebench 2024 / Watt 4.8 PPW
Geekbench 6 Multi / Watt 78.2 PPW
Passmark CPU Mark / Watt 142 PPW

iGPU

iGPU specifications for Intel Core i5 8400
Specification Value
Execution Units 24
GPU Base Clock 350 MHz
GPU Boost Clock 1050 MHz
Integrated Graphics Intel UHD Graphics 630
ROPs 3
Shading Units 192
TGP 15 W
TMUs 24

Strengths & Limitations

Key Advantages

  • Comprehensive positive benchmark metrics recorded.

Key Considerations

  • No major hardware limitations flagged during benchmark run.

Direct Competitors & Alternatives

Methodology, Provenance & Verification

Score version 2026.1 · Data verified 2026-08-26 · Source: official manufacturer datasheets and standardized reproducible benchmark suites (Geekbench 6, Cinebench R24, 3DMark).

Original manufacturer documentation ↗

← Read Full Scoring Methodology Report Data Discrepancy