Product Compare

AMD Ryzen 5 8640U vs AMD Ryzen 9 7940HX

	CPU AMD Ryzen 5 8640U	CPU AMD Ryzen 9 7940HX
General Parameters
Release Date	Dec 2023	Jan 2024
Manufacturer	AMD	AMD
Type	Laptop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Hawk Point	Dragon Range
Integrated Graphics	Radeon 760M	Radeon 610M
Generation	Ryzen 5 (Zen 4 (Hawk Point))	Ryzen 9 (Zen 4 (Dragon Range))
Package
Transistor Count	25 billions	13.14 billions
Manufacturing Process	4 nm	5 nm
Socket	FP7	AMD Socket FL1
Power Consumption	15-30 W	55 W
Peak Operating Temperature	100°C	100°C
Foundry	TSMC	TSMC
Die Size	178 mm²	2x71 mm²
Package	FP8, FP7, FP7r2	µFC-BGAFL1
I/O Process Size		6 nm
I/O Die Size		122 mm²
CPU Performance
Performance Cores	6	16
Performance Core Threads	12	32
Performance Core Base Frequency	3.5 GHz	2.4 GHz
Performance Core Turbo Frequency	4.9 GHz	5.2 GHz
Total Core Count	6	16
Total Thread Count	12	32
Bus Frequency	100 MHz	100 MHz
Multiplier	35x	24.0
L1 Cache	64 K per core	64 KB per core
L2 Cache	1 MB per core	1 MB per core
L3 Cache	16 MB shared	64 MB shared
Unlocked Multiplier	No	Yes
SMP	1	1
Memory Parameters
Memory Types	DDR5-5600, LPDDR5x-7500	DDR5-5200
Max Memory Size	256 GB	64 GB
Max Memory Channels	2	2
Max Memory Bandwidth	89.6 GB/s	83.2 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	1500 MHz	400 MHz
GPU Max Dynamic Frequency	2600 MHz	2200 MHz
Shader Units	384	128
Texture Units	24	8
Raster Operation Units	16	4
Execution Units	6	2
Power Consumption	15 W	15 W
Miscellaneous
Official Website	Official Link ↗
PCIe Version	4.0	5
PCIe Lanes	20	28
Benchmarks
Cinebench R23 Single Core	1780	1864
Cinebench R23 Multi Core	11267	33370
Geekbench 6 Single Core	2419	2688
Geekbench 6 Multi Core	10350	15655