AMD Ryzen 7 H 255
The AMD Ryzen 7 H 255 is a laptop-class CPU manufactured by AMD, built on AMD's officially announced 4 nm process technology, released in August 2025. This processor features a 8-core 16-thread architecture design, with a base clock of 800 MHz and a maximum boost clock reaching up to 4.9 GHz, equipped with 16 MB shared of L3 cache, utilizing the FP8 socket. Overall specifications are targeted at laptop application scenarios.
Manufacturing Process
4 nm
Core Architecture
Zen 4 (Hawk Point)
Performance Core Threads
16
Performance Core Turbo Frequency
4.9 GHz
Performance Core Base Frequency
3.8 GHz
Power Consumption
35-54 W
L1 Cache
64 K per core
Socket
FP8
Max Memory Size
256 GB
Memory Types
DDR5-5600,LPDDR5x-7500
Max Memory Bandwidth
120 GB/s
Shader Units
768
General Parameters
Release Date
Aug 2025
Manufacturer
Amd
Type
Laptop
Instruction Set
i
x86-64
Core Architecture
Zen 4 (Hawk Point)
Integrated Graphics
i
Radeon 780M
Package
Transistor Count
25 billions
Manufacturing Process
4 nm
Socket
FP8
Power Consumption
35-54 W
Peak Operating Temperature
100 °C
Die Size
178 mm²
CPU Performance
Performance Cores
8
Performance Core Threads
16
Performance Core Base Frequency
3.8 GHz
Performance Core Turbo Frequency
4.9 GHz
Total Core Count
8
Total Thread Count
16
Bus Frequency
100 MHz
Multiplier
38
L1 Cache
64 K per core
L2 Cache
1 MB per core
L3 Cache
16 MB shared
Unlocked Multiplier
No
Memory Parameters
Memory Types
DDR5-5600,LPDDR5x-7500
Max Memory Size
256 GB
Max Memory Channels
2
Max Memory Bandwidth
120 GB/s
ECC Memory Support
No
Graphics Card Parameters
Integrated Graphics
true
GPU Base Frequency
800 MHz
GPU Max Dynamic Frequency
2600 MHz
Shader Units
i
768
Texture Units
i
48
Raster Operation Units
i
32
Execution Units
12
Power Consumption
15
AI Accelerator
Theoretical performance
TOPS