AMD Ryzen 9 9955HX vs Intel Core Ultra 9 275HX

Compared 2 processors: AMD Ryzen 9 9955HX, vs Intel Core Ultra 9 275HX. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 9 9955HX and Intel Core Ultra 9 275HX
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 9 275HX
2089
Cinebench R23 (Multi-Core)
AMD Ryzen 9 9955HX
35872
Intel Core Ultra 9 275HX
31232
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 9 9955HX
129
Intel Core Ultra 9 275HX
138
Cinebench 2024 (Single-Core)
AMD Ryzen 9 9955HX
2058
Intel Core Ultra 9 275HX
2223
PassMark
PassMark CPU (Single-Core)
AMD Ryzen 9 9955HX
n/a
Intel Core Ultra 9 275HX
4707
PassMark CPU (Multi-Core)
AMD Ryzen 9 9955HX
n/a
Intel Core Ultra 9 275HX
56504
Integer Mathn/a157.3 GOps/s
Floating-Point Mathn/a196.3 GOps/s
Prime Number Searchn/a449 M primes/s
Random String Sortn/a77 M strings/s
Data Encryptionn/a48.7 GB/s
Data Compressionn/a624.8 MB/s
Physicsn/a3093 frames/s
Extended Instructionsn/a485 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 9 9955HX
3230
Intel Core Ultra 9 275HX
3001
Geekbench 6 (Multi-Core)
AMD Ryzen 9 9955HX
19563
Intel Core Ultra 9 275HX
20451
File Compressionn/a1480 MB/s
Clang Compilationn/a216.2 KLines/s
HTML5 Browsern/a435.5 pages/s
PDF Renderingn/a545.5 MP/sec
Text Processingn/a344.8 pages/s
Background Blurn/a78.6 frames/s
Photo Processingn/a156.4 frames/s
Ray Tracingn/a46.2 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
AMD Ryzen 9 9955HX
n/a
Intel Core Ultra 9 275HX
359.87

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 260.8 PPW 371.8 PPW
PassMark CPU / W n/a 1027.3 PPW
Cinebench 2024 / W 27.4 PPW 40.4 PPW
Blender / W n/a 6.54 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 275HX
Integrated GPU Radeon 610M Arc Graphics (4-Cores)

Processor

Performance cores
Cores 16 8
Threads 32 8
Frequency 2.5 GHz 2.7 GHz
Max Frequency (Turbo) 5.4 GHz 5.4 GHz
Efficiency cores
Coresn/a16
Threadsn/a16
Frequencyn/a2.1 GHz
Max Frequency (Turbo)n/a4.6 GHz
General
Cores count1624
Threads count3224
Bus frequency100 MHz100 MHz
Multiplier25x27x
L1 cache80 KB/core112 KB/core
L2 cache1000 KB/core2000 KB/core
L3 Cache64 MB total36 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?
8 (80%)
2 (20%)
Total Votes: 10

User comments

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