Intel Core i5-8400H Intel Core i5-9400
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Intel Core i5-8400H vs Intel Core i5-9400

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 98 %
Intel Core i5-8400H
Rank 1 - 100 %
Intel Core i5-9400
Multi-core performance
Rank 2 - 77 %
Intel Core i5-8400H
Rank 1 - 100 %
Intel Core i5-9400
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i5-8400H
4C / 8T · 4.20 GHz
1,296
Intel Core i5-9400
6C / 6T · 4.10 GHz
1,346
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i5-8400H
4C / 8T · 3.70 GHz
3,826
Intel Core i5-9400
6C / 6T · 3.90 GHz
5,164
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i5-8400H
4C / 8T · 4.20 GHz
1,081
Intel Core i5-9400
6C / 6T · 4.10 GHz
1,085
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i5-8400H
4C / 8T · 3.70 GHz
3,534
Intel Core i5-9400
6C / 6T · 3.90 GHz
4,722
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i5-8400H
Intel HD Graphics 630
422
Intel Core i5-9400
Intel UHD Graphics 630
403
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i5-8400H
4C / 8T · 4.20 GHz
178 cb
Intel Core i5-9400
6C / 6T · 4.10 GHz
177 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i5-8400H
4C / 8T · 3.70 GHz
819 cb
Intel Core i5-9400
6C / 6T · 3.90 GHz
987 cb

More benchmarks

At a glance

Wischen
Intel Core i5-8400HIntel Core i5-9400
FamilyIntel Core i5 (336)Intel Core i5 (336)
CPU groupIntel Core i 8000H (6)Intel Core i 9000 (34)
ArchitectureCoffee Lake HCoffee Lake S Refresh
Technology14 nm14 nm
SegmentNotebookDesktop
SocketBGA 1440LGA 1151-2
PredecessorIntel Core i5-8400
SuccessorIntel Core i5-9400HIntel Core i5-10400

CPU Cores and Base Frequency

Wischen
Intel Core i5-8400HIntel Core i5-9400
CPU Cores / Threads4 / 86 / 6
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 6x
Frequency: 2.50 GHz 2.90 GHz
Turbo (1 Core): 4.20 GHz 4.10 GHz
Turbo (All Cores): 3.70 GHz 3.90 GHz
L2-Cache
L3-Cache8.00 MB9.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-8400HIntel Core i5-9400
GPU nameIntel HD Graphics 630Intel UHD Graphics 630
GPU frequency0.30 - 1.10 GHz0.35 - 1.05 GHz
CUs / Shader24 / 19224 / 192
Raytracing
Max. displays33
Max. GPU Memory64 GB64 GB
Technology14 nm14 nm
Release dateQ2/2016Q4/2017

NPU AI performance

Wischen
Intel Core i5-8400HIntel Core i5-9400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-8400HIntel Core i5-9400
MemoryDDR4-2666 (42.7 GB/s)
DDR4-2666 (42.7 GB/s)
Max. Memory64 GB128 GB
Memory channels22
ECCNoNo
PCIe3.0 x 163.0 x 16
PCIe Bandwidth15.8 GB/s15.8 GB/s

Thermal Management

Wischen
Intel Core i5-8400HIntel Core i5-9400
TDP45 W65 W
TDP (PL2)
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i5-8400HIntel Core i5-9400
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, LinuxWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2SSE4.1, SSE4.2, AVX2
Release dateQ2/2018Q2/2019
Release price220 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-8400H is 4.7 stars (3 ratings), while Intel Core i5-9400 has received 3.9 stars (42 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-8400H
Intel Core i5-8400H
4C / 8T · 2.50 - 4.20 GHz
Intel Core i5-9400
Intel Core i5-9400
6C / 6T · 2.90 - 4.10 GHz

Most popular CPUs in both categories

Intel Core i5-8400H
Intel Core i5-8400H
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