AMD Ryzen 7 H 255 vs AMD Ryzen 9 9955HX
CPU · Specs Compare
General Parameters
Release Date
Aug 2025
Jan 2025
Manufacturer
Amd
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Hawk Point)
Zen 5 (Fire Range)
Integrated Graphics
Radeon 780M
Radeon 610M
Processor Number
—
9955HX
Series
—
Ryzen 9000 Series
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
4 nm
Socket
FP8
FL1
Power Consumption
35-54 W
55-75 W
Peak Operating Temperature
100 °C
100 °C
Die Size
178 mm²
—
Max Turbo Power Consumption
—
101 W
CPU Performance
Performance Cores
8
16
Performance Core Threads
16
32
Performance Core Base Frequency
3.8 GHz
2.5 GHz
Performance Core Turbo Frequency
4.9 GHz
5.4 GHz
Total Core Count
8
16
Total Thread Count
16
32
Bus Frequency
100 MHz
100 MHz
Multiplier
38
25
L1 Cache
64 K per core
80 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
Memory Parameters
Memory Types
DDR5-5600,LPDDR5x-7500
DDR5-5600
Max Memory Size
256 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
120 GB/s
89.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
400 MHz
GPU Max Dynamic Frequency
2600 MHz
2200 MHz
Shader Units
768
128
Texture Units
48
8
Raster Operation Units
32
4
Execution Units
12
2
Power Consumption
15
15
AI Accelerator
Theoretical performance
TOPS
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
28
Benchmark
Cinebench R23
1,718
2,154
Cinebench R23
16,387
35,887
Geekbench 6
2,551
3,228
Geekbench 6
12,673
19,559
Cinebench 2024
100
129
Cinebench 2024
923
2,057
Blender
—
545
▲ Specs Compare
Data sourced from official specifications and benchmark tests.