Intel Core i5 8400 specifications and performance

Intel Core i5 8400 is a 6 cores and 6 threads CPU processor produced by Intel. Intel Core i5 8400 was released on 2017-10-05, the fabrication process is 14nm (nanometer), the CPU codename is Coffee Lake, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is UHD Graphics 630.

Basic Information

Vendor / Supplier Intel
Short name i5 8400
Release date 2017-10-05
CPU code name Coffee Lake
Fabrication process 14nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU) UHD Graphics 630

CPU core specifications

Total number of cores 6 cores
Total number of threads 6 threads
Number of performance cores 6 cores
Number of performance core threads 6 threads
Performance core base frequency / main frequency 2.8GHz
Performance core maximum turbo frequency 4.0GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 256 KB
L3 Cache 9 MB
Unlock multiplier No

Memory specifications

Maximum supported memory 128GB
Memory frequency support
  • - DDR4-2666MHz
Maximum number of memory channels 2
Maximum memory bandwidth 41.6GB/s
ECC support No

Package specifications

CPU Socket LGA-1151
Default thermal design power / TDP PL1 65W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 100°C
PCIe interface PCIe 3.0
PCIe lane count 16

Integrated Graphics specifications

Integrated Graphics (iGPU) Intel UHD Graphics 630
Base frequency 350MHz
Maximum acceleration frequency 1050MHz
Number of execution units 24
Stream Processors / Shading Units 192
Texture Units / TMUs 24
Raster Operations Units / ROPs 3
Total Graphics Power / TGP 15W
FP32 computing performance

Cinebench R23 performance test

Single core performance score
Multi-core performance score

PassMark performance test

Single core performance score
Multi-core performance score
Integer math 26 GOps/sec
Floating point math 22 GOps/sec
Find prime numbers 37 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 16.1 Million Strings/sec (Millions random string sorting per second)
Data encryption 2.8 GBytes/sec (Gigabits per second)
Data compression 130.7 MBytes/sec (megabits per second)
Physics simulation 635 Frames/sec (FPS)
Extended instruction test 11.5 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 392.9 MB/sec (megabits per second)
clang compilation 36 Klines/sec (thousands lines per second)
HTML5 browsing 115 pages/sec (pages per second)
PDF rendering 156.8 Mpixels/sec (megapixels per second)
Text processing 139 pages/sec (pages per second)
Background blur 33.8 images/sec (images per second)
Photo processing 49.9 images/sec (images per second)
Ray tracing 5.93 Mpixels/sec (megapixels per second)