Intel Core i5 8400 vs AMD Ryzen 7 H 255
CPU · Specs Compare
General Parameters
Release Date
Oct 2017
Aug 2025
Manufacturer
Intel
Amd
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Zen 4 (Hawk Point)
Processor Number
i5-8400
—
Integrated Graphics
UHD Graphics 630
Radeon 780M
Package
Manufacturing Process
14 nm
4 nm
Socket
LGA-1151
FP8
Power Consumption
65 W
35-54 W
Peak Operating Temperature
100 °C
100 °C
Transistor Count
—
25 billions
Die Size
—
178 mm²
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
16
Performance Core Base Frequency
2.8 GHz
3.8 GHz
Performance Core Turbo Frequency
4 GHz
4.9 GHz
Total Core Count
6
8
Total Thread Count
6
16
Bus Frequency
100 MHz
100 MHz
Multiplier
28x
38
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
1 MB per core
L3 Cache
9 MB shared
16 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR4-2666
DDR5-5600,LPDDR5x-7500
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
120 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
800 MHz
GPU Max Dynamic Frequency
1050 MHz
2600 MHz
Shader Units
192
768
Texture Units
24
48
Raster Operation Units
3
32
Execution Units
24
12
Power Consumption
15 W
15
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
4.0
PCIe Lanes
16
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
AI Accelerator
Theoretical performance
—
TOPS
Benchmark
Cinebench R23
1,026
1,718
Cinebench R23
5,798
16,387
Geekbench 6
1,298
2,551
Geekbench 5
1,032
—
Geekbench 6
4,677
12,673
Geekbench 5
4,611
—
Blender
83
—
Passmark CPU
2,387
—
Passmark CPU
9,214
—
Cinebench 2024
—
100
Cinebench 2024
—
923
▲ Specs Compare
Data sourced from official specifications and benchmark tests.