Home Comparison AMD Ryzen 9 7945HX vs Intel Core i5 8400H

AMD Ryzen 9 7945HX vs Intel Core i5 8400H

We compared two laptop CPUs: AMD Ryzen 9 7945HX with 16 cores 2.5GHz and Intel Core i5 8400H with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX '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)
Larger L3 cache size (64MB vs 8MB)
More modern manufacturing process (5nm vs 14nm)
Intel Core i5 8400H 's Advantages
Lower TDP (45W vs 75W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 9 7945HX +83%
1950
Intel Core i5 8400H
1060
Cinebench R23 Multi Core
AMD Ryzen 9 7945HX +731%
33542
Intel Core i5 8400H
4035
Geekbench 6 Single Core
AMD Ryzen 9 7945HX +139%
2906
Intel Core i5 8400H
1213
Geekbench 6 Multi Core
AMD Ryzen 9 7945HX +524%
19413
Intel Core i5 8400H
3109
Blender
AMD Ryzen 9 7945HX +943%
501
Intel Core i5 8400H
48
Geekbench 5 Single Core
AMD Ryzen 9 7945HX +94%
2095
Intel Core i5 8400H
1075
Geekbench 5 Multi Core
AMD Ryzen 9 7945HX +401%
19488
Intel Core i5 8400H
3884
Passmark CPU Single Core
AMD Ryzen 9 7945HX +68%
4076
Intel Core i5 8400H
2416
Passmark CPU Multi Core
AMD Ryzen 9 7945HX +597%
55213
Intel Core i5 8400H
7914
VS

General Parameters

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

Package

13.1 billions
Transistor Count
-
5 nm
Manufacturing Process
14 nm
55-75 W
Power Consumption
45 W
100°C
Peak Operating Temperature
100 °C

CPU Performance

16
Performance Cores
4
32
Performance Core Threads
8
2.5 GHz
Performance Core Base Frequency
2.5 GHz
5.4 GHz
Performance Core Turbo Frequency
4.2 GHz
16
Total Core Count
4
32
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
25x
Multiplier
25x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
64 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

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

Graphics Card Parameters

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

Miscellaneous

5.0
PCIe Version
3.0
28
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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