AMD Ryzen 5 8640HS vs AMD Ryzen 9 7900
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Jan 2023
Manufacturer
AMD
Amd
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Hawk Point
Zen 4 (Raphael)
Integrated Graphics
Radeon 760M
Radeon Graphics (Ryzen 7000)
Generation
Ryzen 5 (Zen 4 (Hawk Point))
—
Package
Transistor Count
25 billions
13.1 billions
Manufacturing Process
4 nm
5 nm
Socket
FP8
AM5
Power Consumption
28 W
65 W
Peak Operating Temperature
100°C
95 °C
Foundry
TSMC
—
Die Size
178 mm²
—
Package
FP8, FP7, FP7r2
—
Max Turbo Power Consumption
—
90 W
CPU Performance
Performance Cores
6
12
Performance Core Threads
12
24
Performance Core Base Frequency
3.5 GHz
3.7 GHz
Performance Core Turbo Frequency
4.9 GHz
5.4 GHz
Total Core Count
6
12
Total Thread Count
12
24
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
37x
L1 Cache
64 K per core
64 K 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
—
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR5-5200
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
83.2 GB/s
ECC Memory Support
No
Yes
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
Max Resolution
7680x4320 - 60 Hz
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
28
Benchmark
Cinebench R23
1,724
2,034
Cinebench R23
12,969
29,358
Geekbench 6
2,267
2,946
Geekbench 6
10,369
17,413
Cinebench 2024
99
111
Cinebench 2024
—
1,525
Blender
—
463
Passmark CPU
—
4,149
Passmark CPU
—
48,837
▲ Specs Compare
Data sourced from official specifications and benchmark tests.