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

AMD Ryzen 5 8640U vs AMD Ryzen 9 7940HS

AMD Ryzen 5 8640U
VS
AMD Ryzen 9 7940HS
AMD Ryzen 5 8640U
AMD Ryzen 9 7940HS
We compared two laptop CPUs: AMD Ryzen 5 8640U with 6 cores 3.5GHz 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 8640U 's Advantages
Released 8 months late
Lower TDP (30W vs 54W)
AMD Ryzen 9 7940HS 's Advantages
Better graphics card performance
Higher base frequency (4.0GHz vs 3.5GHz)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 8640U
1780
AMD Ryzen 9 7940HS +1%
1804
Cinebench R23 Multi Core
AMD Ryzen 5 8640U
11267
AMD Ryzen 9 7940HS +40%
15820
Geekbench 6 Single Core
AMD Ryzen 5 8640U
2419
AMD Ryzen 9 7940HS +4%
2534
Geekbench 6 Multi Core
AMD Ryzen 5 8640U
10350
AMD Ryzen 9 7940HS +24%
12852
AMD Ryzen 5 8640U
VS
AMD Ryzen 9 7940HS

General Parameters

Dec 2023
Release Date
Apr 2023
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Hawk Point
Core Architecture
Zen 4 (Phoenix)
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
15-30 W
Power Consumption
35-54 W
100°C
Peak Operating Temperature
100°C
TSMC
Foundry
-
178 mm²
Die Size
-

CPU Performance

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

Graphics Card Parameters

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

AI Accelerator

-
NPU
AMD Ryzen™ AI
-
Theoretical performance
10 TOPS

Miscellaneous

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

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