AMD Ryzen 9 9955HX vs Intel Core Ultra 7 255HX

Compared 2 processors: AMD Ryzen 9 9955HX, vs Intel Core Ultra 7 255HX. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 9 9955HX and Intel Core Ultra 7 255HX
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)
AMD Ryzen 9 9955HX
2155
Intel Core Ultra 7 255HX
2031
Cinebench R23 (Multi-Core)
AMD Ryzen 9 9955HX
35872
Intel Core Ultra 7 255HX
25602
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 9 9955HX
129
Intel Core Ultra 7 255HX
132
Cinebench 2024 (Single-Core)
AMD Ryzen 9 9955HX
2058
Intel Core Ultra 7 255HX
1591
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 9 9955HX
3230
Intel Core Ultra 7 255HX
2901
Geekbench 6 (Multi-Core)
AMD Ryzen 9 9955HX
19563
Intel Core Ultra 7 255HX
17597
File Compressionn/a1270 MB/s
Clang Compilationn/a187.3 KLines/s
HTML5 Browsern/a337.9 pages/s
PDF Renderingn/a488.3 MP/sec
Text Processingn/a336.6 pages/s
Background Blurn/a72.7 frames/s
Photo Processingn/a121.8 frames/s
Ray Tracingn/a39.7 MP/sec

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 260.8 PPW 319.9 PPW
Cinebench 2024 / W 27.4 PPW 28.9 PPW

General Info

Manufacturer AMD Intel
Announced January, 7, 2025 January, 6, 2025
Type Laptop use Laptop use
Architecture x86-64 x86-64
Codename Zen 5 (Fire Range) Arrow Lake
Model number 9955HX 255HX
Integrated GPU Radeon 610M Arc Graphics (4-Cores)

Processor

Performance cores
Cores 16 8
Threads 32 8
Frequency 2.5 GHz 2.4 GHz
Max Frequency (Turbo) 5.4 GHz 5.2 GHz
Efficiency cores
Coresn/a12
Threadsn/a12
Frequencyn/a1.8 GHz
Max Frequency (Turbo)n/a4.5 GHz
General
Cores count1620
Threads count3220
Bus frequency100 MHz100 MHz
Multiplier25x24x
L1 cache80 KB/core112 KB/core
L2 cache1000 KB/core2000 KB/core
L3 Cache64 MB total30 MB total
Unlocked multiplierYesYes

Package

Process tech. 4 nm 3 nm
Power (TDP) 55-75 W 45-55 W
Max TDP (Boost) 101 W 160 W
Socket FL1 FCBGA-2114
Critical temp. 100 °C 105 °C

Memory Support

Memory Type DDR5-5600 DDR5-6400
Max Size 96 GB 192 GB
Channels 2 2
ECC support No Yes

Other

PCIe Version 5.0 5.0
Max PCIe Lanes 28 24

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which CPU would you pick?
4 (66.67%)
2 (33.33%)
Total Votes: 6

User comments

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