Intel Core Ultra 7 255HX vs AMD Ryzen 5 8540U
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Dec 2023
Manufacturer
Intel
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Zen 4 (Hawk Point)
Processor Number
255HX
—
Integrated Graphics
Arc Graphics (4-Cores)
Radeon 740M
Generation
Ultra 7 (Arrow Lake)
Ryzen 5 (Zen 4 (Hawk Point))
Package
Manufacturing Process
3 nm
4 nm
Socket
FCBGA-2114
FP7
Power Consumption
45-55 W
15-30 W
Max Turbo Power Consumption
160 W
—
Peak Operating Temperature
105 °C
100 °C
Foundry
Intel
TSMC
Package
FC-LGA18V
FP7, FP7r2
Transistor Count
—
20.9 billions
Die Size
—
137 mm²
CPU Performance
Performance Cores
8
2
Performance Core Threads
8
4
Performance Core Base Frequency
2.4 GHz
3.2 GHz
Performance Core Turbo Frequency
5.2 GHz
4.9 GHz
Efficiency Cores
12
4
Efficiency Core Threads
12
8
Efficiency Core Base Frequency
1.8 GHz
3 GHz
Efficiency Core Turbo Frequency
4.5 GHz
3.7 GHz
Total Core Count
20
6
Total Thread Count
20
12
Bus Frequency
100 MHz
100 MHz
Multiplier
24
32x
L1 Cache
112 K per core
64 K per core
L2 Cache
2 MB per core
1 MB per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
1
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
89.6 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
1850 MHz
2800 MHz
Shader Units
512
256
Texture Units
32
16
Raster Operation Units
16
8
Execution Units
64
4
Power Consumption
14
15 W
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
14
Benchmark
Cinebench R23
2,030
1,789
Cinebench R23
25,611
10,405
Geekbench 6
3,102
2,445
Geekbench 6
15,879
9,182
Cinebench 2024
132
—
Cinebench 2024
1,590
—
Passmark CPU
—
3,759
Passmark CPU
—
18,276
▲ Specs Compare
Data sourced from official specifications and benchmark tests.