AMD Ryzen 7 H 255 vs AMD Ryzen 9 7900
CPU Specs Compare
General Parameters
Release Date
Aug 2025
Jan 2023
Manufacturer
Amd
Amd
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Hawk Point)
Zen 4 (Raphael)
Integrated Graphics
Radeon 780M
Radeon Graphics (Ryzen 7000)
Package
Transistor Count
25 billions
13.1 billions
Manufacturing Process
4 nm
5 nm
Socket
FP8
AM5
Power Consumption
35-54 W
65 W
Peak Operating Temperature
100 °C
95 °C
Die Size
178 mm²
-
Max Turbo Power Consumption
-
90 W
CPU Performance
Performance Cores
8
12
Performance Core Threads
16
24
Performance Core Base Frequency
3.8 GHz
3.7 GHz
Performance Core Turbo Frequency
4.9 GHz
5.4 GHz
Total Core Count
8
12
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
38
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
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
120 GB/s
83.2 GB/s
ECC Memory Support
No
Yes
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 W
AI Accelerator
Theoretical performance
TOPS
-
📊 Benchmark
Cinebench R23
1,718
2,034
Cinebench R23
16,387
29,358
Geekbench 6
2,551
2,946
Geekbench 6
12,673
17,413
Cinebench 2024
100
111
Cinebench 2024
923
1,525
Blender
-
463
Passmark CPU
-
4,149
Passmark CPU
-
48,837