Intel Core Ultra 9 275HX vs AMD Ryzen 7 H 255
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Aug 2025
Manufacturer
Intel
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Zen 4 (Hawk Point)
Processor Number
275HX
—
Integrated Graphics
Arc Graphics (4-Cores)
Radeon 780M
Generation
Ultra 9 (Arrow Lake)
—
Package
Manufacturing Process
3 nm
4 nm
Socket
FCBGA-2114
FP8
Power Consumption
45-55 W
35-54 W
Max Turbo Power Consumption
160 W
—
Peak Operating Temperature
105 °C
100 °C
Foundry
Intel
—
Package
FC-LGA18V
—
Transistor Count
—
25 billions
Die Size
—
178 mm²
CPU Performance
Performance Cores
8
8
Performance Core Threads
8
16
Performance Core Base Frequency
2.7 GHz
3.8 GHz
Performance Core Turbo Frequency
5.4 GHz
4.9 GHz
Efficiency Cores
16
—
Efficiency Core Threads
16
—
Efficiency Core Base Frequency
2.1 GHz
—
Efficiency Core Turbo Frequency
4.6 GHz
—
Total Core Count
24
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
27
38
L1 Cache
112 K per core
64 K per core
L2 Cache
2 MB per core
1 MB per core
L3 Cache
36 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
1
—
Memory Parameters
Memory Types
DDR5-6400
DDR5-5600,LPDDR5x-7500
Max Memory Size
192 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
120 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
800 MHz
GPU Max Dynamic Frequency
1900 MHz
2600 MHz
Shader Units
512
768
Texture Units
32
48
Raster Operation Units
16
32
Execution Units
64
12
Power Consumption
14
15
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
20
AI Accelerator
Theoretical performance
—
TOPS
Benchmark
Cinebench R23
2,090
1,718
Cinebench R23
31,244
16,387
Geekbench 6
2,959
2,551
Geekbench 6
17,562
12,673
Cinebench 2024
131
100
Cinebench 2024
1,768
923
Blender
507
—
Passmark CPU
4,732
—
Passmark CPU
61,069
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.