Intel Core Ultra 7 255H vs AMD Ryzen 5 8540U

Compared 2 processors: Intel Core Ultra 7 255H, vs AMD Ryzen 5 8540U. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 7 255H and AMD Ryzen 5 8540U
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
Intel Core Ultra 7 255H
2009
AMD Ryzen 5 8540U
1801
Cinebench R23 (Multi-Core)
Intel Core Ultra 7 255H
18689
AMD Ryzen 5 8540U
10492
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255H
125
AMD Ryzen 5 8540U
n/a
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255H
1028
AMD Ryzen 5 8540U
n/a
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 7 255H
n/a
AMD Ryzen 5 8540U
3665
PassMark CPU (Multi-Core)
Intel Core Ultra 7 255H
n/a
AMD Ryzen 5 8540U
18391
Integer Mathn/a58.2 GOps/s
Floating-Point Mathn/a35.1 GOps/s
Prime Number Searchn/a70 M primes/s
Random String Sortn/a24.3 M strings/s
Data Encryptionn/a12.3 GB/s
Data Compressionn/a209.2 MB/s
Physicsn/a1036 frames/s
Extended Instructionsn/a149 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 7 255H
2725
AMD Ryzen 5 8540U
2447
Geekbench 6 (Multi-Core)
Intel Core Ultra 7 255H
15123
AMD Ryzen 5 8540U
9174
File Compression1270 MB/s1010 MB/s
Clang Compilation103.2 KLines/s62.7 KLines/s
HTML5 Browser399 pages/s179.9 pages/s
PDF Rendering443.6 MP/sec226.9 MP/sec
Text Processing283.7 pages/s247.2 pages/s
Background Blur62.4 frames/s42.7 frames/s
Photo Processing144.8 frames/s74.8 frames/s
Ray Tracing24 MP/sec13.7 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 7 255H
n/a
AMD Ryzen 5 8540U
123.6

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 540.1 PPW 305.8 PPW
PassMark CPU / W n/a 613 PPW
Cinebench 2024 / W 36.7 PPW n/a
Blender / W n/a 4.12 PPW

General Info

Manufacturer Intel AMD
Announced January, 6, 2025 December, 6, 2023
Type Laptop use Laptop use
Architecture x86-64 x86-64
Codename Arrow Lake Zen 4 (Hawk Point)
Model number 255H n/a
Integrated GPU Arc Graphics 140T Radeon 740M

Processor

Performance cores
Cores 6 2
Threads 6 4
Frequency 2.0 GHz 3.7 GHz
Max Frequency (Turbo) 5.1 GHz 4.9 GHz
Efficiency cores
Cores104
Threads108
Frequency1.5 GHz3 GHz
Max Frequency (Turbo)4.4 GHz3.7 GHz
General
Cores count166
Threads count1612
Bus frequency100 MHz100 MHz
Multiplier20x37x
L1 cache112 KB/core64 KB/core
L2 cache2000 KB/core1000 KB/core
L3 Cache24 MB total16 MB total
Unlocked multiplierNoNo

Package

Transistor count n/a 20.9 billion
Process tech. 3 nm 4 nm
Power (TDP) 20-28 W 15-30 W
Max TDP (Boost) 115 W n/a
Socket FCBGA-2049 FP7
Critical temp. 110 °C 100 °C

Memory Support

Memory Type - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400
- DDR5-5600
- LPDDR5x-7500
Max Size 128 GB 256 GB
Channels 2 2
ECC support No No

Other

PCIe Version 5.0 4.0
Max PCIe Lanes 28 14

Results

After analyzing the data, we consider Intel Core Ultra 7 255H the clear winner in this comparison.

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