Product Compare

AMD Ryzen 9 7900 vs AMD Ryzen 5 8540U

	CPU AMD Ryzen 9 7900	CPU AMD Ryzen 5 8540U
General Parameters
Release Date	Jan 2023	Dec 2023
Manufacturer	Amd	Amd
Type	Desktop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Zen 4 (Raphael)	Zen 4 (Hawk Point)
Integrated Graphics	Radeon Graphics (Ryzen 7000)	Radeon 740M
Generation		Ryzen 5 (Zen 4 (Hawk Point))
Package
Transistor Count	13.1 billions	20.9 billions
Manufacturing Process	5 nm	4 nm
Socket	AM5	FP7
Power Consumption	65 W	15-30 W
Max Turbo Power Consumption	90 W
Peak Operating Temperature	95 °C	100 °C
Foundry		TSMC
Die Size		137 mm²
Package		FP7, FP7r2
CPU Performance
Performance Cores	12	2
Performance Core Threads	24	4
Performance Core Base Frequency	3.7 GHz	3.2 GHz
Performance Core Turbo Frequency	5.4 GHz	4.9 GHz
Total Core Count	12	6
Total Thread Count	24	12
Bus Frequency	100 MHz	100 MHz
Multiplier	37x	32x
L1 Cache	64 K per core	64 K per core
L2 Cache	1 MB per core	1 MB per core
L3 Cache	64 MB shared	16 MB shared
Unlocked Multiplier	Yes	No
Efficiency Cores		4
Efficiency Core Threads		8
Efficiency Core Base Frequency		3 GHz
Efficiency Core Turbo Frequency		3.7 GHz
SMP		1
Memory Parameters
Memory Types	DDR5-5200	DDR5-5600, LPDDR5x-7500
Max Memory Size	128 GB	256 GB
Max Memory Channels	2	2
Max Memory Bandwidth	83.2 GB/s	89.6 GB/s
ECC Memory Support	Yes	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	400 MHz	800 MHz
GPU Max Dynamic Frequency	2200 MHz	2800 MHz
Shader Units	128	256
Texture Units	8	16
Raster Operation Units	4	8
Execution Units	2	4
Power Consumption	15 W	15 W
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5.0	4.0
PCIe Lanes	28	14
Benchmarks
Cinebench R23 Single Core	2034	1789
Cinebench R23 Multi Core	29358	10405
Geekbench 6 Single Core	2946	2445
Geekbench 6 Multi Core	17413	9182
Passmark CPU Single Core	4149	3759
Passmark CPU Multi Core	48837	18276