Home Comparison AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 9 7940HS

AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 9 7940HS

AMD Ryzen 5 PRO 8645HS
VS
AMD Ryzen 9 7940HS
AMD Ryzen 5 PRO 8645HS
AMD Ryzen 9 7940HS
We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and AMD Ryzen 9 7940HS with 8 cores 4.0GHz . 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 1 years late
Higher base frequency (4.3GHz vs 4.0GHz)
AMD Ryzen 9 7940HS 's Advantages
Higher specification of memory (7500 vs 7500)
Newer PCIe version (4.0 vs 4)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 5 PRO 8645HS
2478
AMD Ryzen 9 7940HS +2%
2534
Geekbench 6 Multi Core
AMD Ryzen 5 PRO 8645HS
10306
AMD Ryzen 9 7940HS +24%
12852
Cinebench 2024 Single Core
AMD Ryzen 5 PRO 8645HS +41%
99
AMD Ryzen 9 7940HS
70
Cinebench 2024 Multi Core
AMD Ryzen 5 PRO 8645HS
701
AMD Ryzen 9 7940HS +2%
721
AMD Ryzen 5 PRO 8645HS
VS
AMD Ryzen 9 7940HS

General Parameters

Apr 2024
Release Date
Apr 2023
AMD
Manufacturer
AMD
Laptop
Type
Laptop
-
Instruction Set
x86-64
Hawk Point
Core Architecture
Zen 4 (Phoenix)
AMD Socket FP7
Socket
FP8
Radeon 760M
Integrated Graphics
Radeon 780M
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

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

CPU Performance

6
Performance Cores
8
12
Performance Core Threads
16
4.3 GHz
Performance Core Base Frequency
4.0 GHz
5 GHz
Performance Core Turbo Frequency
5.2 GHz
6
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
43.0
Multiplier
40x
64 KB per core
L1 Cache
64 K per core
6 MB
L2 Cache
8 MB
16 MB
L3 Cache
16 MB
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600,LPDDR5x-7500
Memory Types
DDR5-5600, LPDDR5x-7500
256 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
800 MHz
2600 MHz
GPU Max Dynamic Frequency
2800 MHz
-
Shader Units
768
-
Texture Units
48
-
Raster Operation Units
32
8
Execution Units
12
-
Power Consumption
15
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
8.12 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
AMD Ryzen™ AI
16 TOPS
Theoretical performance
10 TOPS

Miscellaneous

AMD Ryzen 5 PRO 8645HS
Official Website
AMD Ryzen 9 7940HS
4
PCIe Version
4.0
20
PCIe Lanes
20

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