Intel Core Ultra 7 255HX vs AMD Ryzen 5 8540U
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and AMD Ryzen 5 8540U with 6 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255HX 's Advantages
Released 1 years and 1 months late
Better graphics card performance
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (30MB vs 16MB)
More modern manufacturing process (3nm vs 4nm)
AMD Ryzen 5 8540U 's Advantages
Higher specification of memory (7500 vs 6400)
Higher base frequency (3.2GHz vs 2.4GHz)
Lower TDP (30W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255HX
+13%
2030
AMD Ryzen 5 8540U
1789
Cinebench R23 Multi Core
Intel Core Ultra 7 255HX
+146%
25611
AMD Ryzen 5 8540U
10405
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+26%
3102
AMD Ryzen 5 8540U
2445
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+72%
15879
AMD Ryzen 5 8540U
9182
General Parameters
Jan 2025
Release Date
Dec 2023
Intel
Manufacturer
Amd
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Zen 4 (Hawk Point)
255HX
Processor Number
-
FCBGA-2114
Socket
FP7
Arc Graphics (4-Cores)
Integrated Graphics
Radeon 740M
Ultra 7 (Arrow Lake)
Generation
Ryzen 5 (Zen 4 (Hawk Point))
Package
-
Transistor Count
20.9 billions
3 nm
Manufacturing Process
4 nm
45-55 W
Power Consumption
15-30 W
160 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
100 °C
Intel
Foundry
TSMC
-
Die Size
137 mm²
CPU Performance
8
Performance Cores
2
8
Performance Core Threads
4
2.4 GHz
Performance Core Base Frequency
3.2 GHz
5.2 GHz
Performance Core Turbo Frequency
4.9 GHz
12
Efficiency Cores
4
12
Efficiency Core Threads
8
1.8 GHz
Efficiency Core Base Frequency
3 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.7 GHz
20
Total Core Count
6
20
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
24
Multiplier
32x
112 K per core
L1 Cache
64 K per core
2 MB per core
L2 Cache
1 MB per core
30 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR5-6400
Memory Types
DDR5-5600, LPDDR5x-7500
192 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
800 MHz
1850 MHz
GPU Max Dynamic Frequency
2800 MHz
512
Shader Units
256
32
Texture Units
16
16
Raster Operation Units
8
64
Execution Units
4
14
Power Consumption
15 W
1.9 TFLOPS
Graphics Performance
1.43 TFLOPS
