Home Comparison Intel Core i5 8400H vs AMD Ryzen 5 7645HX

Intel Core i5 8400H vs AMD Ryzen 5 7645HX

Intel Core i5 8400H
VS
AMD Ryzen 5 7645HX
Intel Core i5 8400H
AMD Ryzen 5 7645HX
We compared two laptop CPUs: Intel Core i5 8400H with 4 cores 2.5GHz and AMD Ryzen 5 7645HX with 6 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400H 's Advantages
Lower TDP (45W vs 75W)
AMD Ryzen 5 7645HX 's Advantages
Released 4 years and 9 months late
Better graphics card performance
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (83.2GB/s vs 41.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.0GHz vs 2.5GHz)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (5nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8400H
1060
AMD Ryzen 5 7645HX +69%
1800
Cinebench R23 Multi Core
Intel Core i5 8400H
4035
AMD Ryzen 5 7645HX +245%
13954
Geekbench 6 Single Core
Intel Core i5 8400H
1213
AMD Ryzen 5 7645HX +124%
2720
Geekbench 6 Multi Core
Intel Core i5 8400H
3109
AMD Ryzen 5 7645HX +282%
11906
Geekbench 5 Single Core
Intel Core i5 8400H
1075
AMD Ryzen 5 7645HX +76%
1895
Geekbench 5 Multi Core
Intel Core i5 8400H
3884
AMD Ryzen 5 7645HX +186%
11141
Intel Core i5 8400H
VS
AMD Ryzen 5 7645HX

General Parameters

Apr 2018
Release Date
Jan 2023
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Zen 4 (Dragon Range)
i5-8400H
Processor Number
-
BGA-1440
Socket
FL1
UHD Graphics 630
Integrated Graphics
Radeon 610M

Package

14 nm
Manufacturing Process
5 nm
45 W
Power Consumption
45-75 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

4
Performance Cores
6
8
Performance Core Threads
12
2.5 GHz
Performance Core Base Frequency
4.0 GHz
4.2 GHz
Performance Core Turbo Frequency
5 GHz
4
Total Core Count
6
8
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
25x
Multiplier
40x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
8 MB shared
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666, LPDDR3-2133
Memory Types
DDR5-5200
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.8 GB/s
Max Memory Bandwidth
83.2 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
350 MHz
GPU Base Frequency
1500 MHz
1100 MHz
GPU Max Dynamic Frequency
2200 MHz
192
Shader Units
128
24
Texture Units
8
3
Raster Operation Units
4
24
Execution Units
2
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
0.49 TFLOPS

Miscellaneous

Intel Core i5 8400H
Official Website
AMD Ryzen 5 7645HX
3.0
PCIe Version
5.0
16
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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