Home Comparison AMD Ryzen 5 PRO 8645HS vs Intel Core i5 8400H

AMD Ryzen 5 PRO 8645HS vs Intel Core i5 8400H

AMD Ryzen 5 PRO 8645HS
VS
Intel Core i5 8400H
AMD Ryzen 5 PRO 8645HS
Intel Core i5 8400H
We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz 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 5 PRO 8645HS 's Advantages
Released 6 years late
Higher specification of memory (7500 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.8GB/s)
Newer PCIe version (4 vs 3.0)
Higher base frequency (4.3GHz vs 2.5GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 14nm)
Intel Core i5 8400H 's Advantages
Lower TDP (45W vs 54W)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 5 PRO 8645HS +104%
2478
Intel Core i5 8400H
1213
Geekbench 6 Multi Core
AMD Ryzen 5 PRO 8645HS +231%
10306
Intel Core i5 8400H
3109
AMD Ryzen 5 PRO 8645HS
VS
Intel Core i5 8400H

General Parameters

Apr 2024
Release Date
Apr 2018
AMD
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Hawk Point
Core Architecture
Coffee Lake
-
Processor Number
i5-8400H
AMD Socket FP7
Socket
BGA-1440
Radeon 760M
Integrated Graphics
UHD Graphics 630
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
14 nm
35-54 W
Power Consumption
45 W
-
Peak Operating Temperature
100 °C
TSMC
Foundry
-
178 mm²
Die Size
-

CPU Performance

6
Performance Cores
4
12
Performance Core Threads
8
4.3 GHz
Performance Core Base Frequency
2.5 GHz
5 GHz
Performance Core Turbo Frequency
4.2 GHz
6
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
43.0
Multiplier
25x
64 KB per core
L1 Cache
64 K per core
6 MB
L2 Cache
256 K per core
16 MB
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600,LPDDR5x-7500
Memory Types
DDR4-2666, LPDDR3-2133
256 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
41.8 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
2600 MHz
GPU Max Dynamic Frequency
1100 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
8
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
16 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 5 PRO 8645HS
Official Website
Intel Core i5 8400H
4
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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