Product Compare

Intel Core i7 1255U vs AMD Ryzen 7 H 255

	CPU Intel Core i7 1255U	CPU AMD Ryzen 7 H 255
General Parameters
Release Date	Feb 2022	Aug 2025
Manufacturer	Intel	Amd
Type	Laptop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Alder Lake	Zen 4 (Hawk Point)
Processor Number	i7-1255U
Integrated Graphics	Iris Xe Graphics (96EU)	Radeon 780M
Package
Manufacturing Process	10 nm	4 nm
Socket	BGA-1744	FP8
Power Consumption	12-15 W	35-54 W
Max Turbo Power Consumption	55 W
Peak Operating Temperature	100°C	100 °C
Transistor Count		25 billions
Die Size		178 mm²
CPU Performance
Performance Cores	2	8
Performance Core Threads	4	16
Performance Core Base Frequency	1.7 GHz	3.8 GHz
Performance Core Turbo Frequency	4.7 GHz	4.9 GHz
Efficiency Cores	8
Efficiency Core Threads	8
Efficiency Core Base Frequency	1.2 GHz
Efficiency Core Turbo Frequency	3.5 GHz
Total Core Count	10	8
Total Thread Count	12	16
Bus Frequency	100 MHz	100 MHz
Multiplier	17x	38
L1 Cache	80 K per core	64 K per core
L2 Cache	1280 K per core	1 MB per core
L3 Cache	12 MB shared	16 MB shared
Unlocked Multiplier	No	No
Memory Parameters
Memory Types	DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267	DDR5-5600,LPDDR5x-7500
Max Memory Size	64 GB	256 GB
Max Memory Channels	2	2
Max Memory Bandwidth	76.8 GB/s	120 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	800 MHz
GPU Max Dynamic Frequency	1250 MHz	2600 MHz
Shader Units	768	768
Texture Units	48	48
Raster Operation Units	24	32
Execution Units	96	12
Power Consumption	15 W	15
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	4.0	4.0
PCIe Lanes	20	20
AI Accelerator
Theoretical performance		TOPS
Benchmarks
Cinebench R23 Single Core	1701	1718
Cinebench R23 Multi Core	8233	16387
Geekbench 6 Single Core	2248	2551
Geekbench 6 Multi Core	7162	12673