Home Comparison AMD Ryzen 9 Pro 7940HS vs AMD Ryzen 5 8640U

AMD Ryzen 9 Pro 7940HS vs AMD Ryzen 5 8640U

AMD Ryzen 9 Pro 7940HS
VS
AMD Ryzen 5 8640U
AMD Ryzen 9 Pro 7940HS
AMD Ryzen 5 8640U
We compared two laptop CPUs: AMD Ryzen 9 Pro 7940HS with 8 cores 4.0GHz and AMD Ryzen 5 8640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 Pro 7940HS 's Advantages
Better graphics card performance
Higher base frequency (4.0GHz vs 3.5GHz)
AMD Ryzen 5 8640U 's Advantages
Released 6 months late
Lower TDP (30W vs 54W)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 9 Pro 7940HS +6%
2582
AMD Ryzen 5 8640U
2419
Geekbench 6 Multi Core
AMD Ryzen 9 Pro 7940HS +10%
11415
AMD Ryzen 5 8640U
10350
AMD Ryzen 9 Pro 7940HS
VS
AMD Ryzen 5 8640U

General Parameters

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

Package

25 billions
Transistor Count
25 billions
4 nm
Manufacturing Process
4 nm
35-54 W
Power Consumption
15-30 W
100°C
Peak Operating Temperature
100°C
-
Foundry
TSMC
-
Die Size
178 mm²

CPU Performance

8
Performance Cores
6
16
Performance Core Threads
12
4.0 GHz
Performance Core Base Frequency
3.5 GHz
5.2 GHz
Performance Core Turbo Frequency
4.9 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
40
Multiplier
35x
64 K per core
L1 Cache
64 K per core
8 MB
L2 Cache
1 MB per core
16 MB
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
SMP
1

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
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
1500 MHz
2800 MHz
GPU Max Dynamic Frequency
2600 MHz
768
Shader Units
384
48
Texture Units
24
32
Raster Operation Units
16
12
Execution Units
6
15
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
-
8.12 TFLOPS
Graphics Performance
4.06 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 9 Pro 7940HS
Official Website
AMD Ryzen 5 8640U
4.0
PCIe Version
4.0
20
PCIe Lanes
20

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