AMD Ryzen 5 8640U vs AMD Ryzen 9 PRO 9955
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Jun 2026
Manufacturer
AMD
AMD
Type
Laptop
Server
Instruction Set
x86-64
—
Core Architecture
Hawk Point
Granite Ridge
Integrated Graphics
Radeon 760M
Radeon Graphics
Generation
Ryzen 5 (Zen 4 (Hawk Point))
Ryzen 9 (Zen 5 (Granite Ridge))
Package
Transistor Count
25 billions
16.63 billions
Manufacturing Process
4 nm
4 nm
Socket
FP7
AMD Socket AM5
Power Consumption
15-30 W
120 W
Peak Operating Temperature
100°C
95°C
Foundry
TSMC
TSMC
Die Size
178 mm²
2x70.6 mm²
Package
FP8, FP7, FP7r2
FC-LGA1718
I/O Process Size
—
6 nm
I/O Die Size
—
122 mm²
CPU Performance
Performance Cores
6
—
Performance Core Threads
12
—
Performance Core Base Frequency
3.5 GHz
3.4 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
34.0
L1 Cache
64 K per core
80 KB per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
16 MB shared
64 MB
Unlocked Multiplier
No
No
SMP
1
1
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR5-5600
Max Memory Size
256 GB
—
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
1500 MHz
—
GPU Max Dynamic Frequency
2600 MHz
—
Shader Units
384
—
Texture Units
24
—
Raster Operation Units
16
—
Execution Units
6
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
4.0
5
PCIe Lanes
20
24
Benchmark
Cinebench R23
1,780
—
Cinebench R23
11,267
—
Geekbench 6
2,419
—
Geekbench 6
10,350
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.