Intel Core Ultra 7 255HX vs AMD Ryzen 9 5900X

Compared 2 processors: Intel Core Ultra 7 255HX, vs AMD Ryzen 9 5900X. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 7 255HX and AMD Ryzen 9 5900X
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 255HX
2031
AMD Ryzen 9 5900X
1568
Cinebench R23 (Multi-Core)
Intel Core Ultra 7 255HX
25602
AMD Ryzen 9 5900X
20634
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255HX
132
AMD Ryzen 9 5900X
93
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255HX
1591
AMD Ryzen 9 5900X
1268
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 7 255HX
n/a
AMD Ryzen 9 5900X
3470
PassMark CPU (Multi-Core)
Intel Core Ultra 7 255HX
n/a
AMD Ryzen 9 5900X
39047
Integer Mathn/a141.3 GOps/s
Floating-Point Mathn/a77.7 GOps/s
Prime Number Searchn/a257 M primes/s
Random String Sortn/a51.7 M strings/s
Data Encryptionn/a31.2 GB/s
Data Compressionn/a500.6 MB/s
Physicsn/a1998 frames/s
Extended Instructionsn/a331 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 7 255HX
2901
AMD Ryzen 9 5900X
2263
Geekbench 6 (Multi-Core)
Intel Core Ultra 7 255HX
17597
AMD Ryzen 9 5900X
12701
File Compression1270 MB/s1170 MB/s
Clang Compilation187.3 KLines/s126 KLines/s
HTML5 Browser337.9 pages/s217.8 pages/s
PDF Rendering488.3 MP/sec362 MP/sec
Text Processing336.6 pages/s232 pages/s
Background Blur72.7 frames/s38.7 frames/s
Photo Processing121.8 frames/s85.1 frames/s
Ray Tracing39.7 MP/sec31.5 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 7 255HX
n/a
AMD Ryzen 9 5900X
316.84

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 319.9 PPW 121 PPW
PassMark CPU / W n/a 371.9 PPW
Cinebench 2024 / W 28.9 PPW 12.1 PPW
Blender / W n/a 3.02 PPW

General Info

Manufacturer Intel AMD
Announced January, 6, 2025 October, 8, 2020
Type Laptop use PC use
Architecture x86-64 x86-64
Codename Arrow Lake Zen 3 (Vermeer)
Model number 255HX n/a
Integrated GPU Arc Graphics (4-Cores) No

Processor

Performance cores
Cores 8 12
Threads 8 24
Frequency 2.4 GHz 3.7 GHz
Max Frequency (Turbo) 5.2 GHz 4.8 GHz
Efficiency cores
Cores12n/a
Threads12n/a
Frequency1.8 GHzn/a
Max Frequency (Turbo)4.5 GHzn/a
General
Cores count2012
Threads count2024
Bus frequency100 MHz100 MHz
Multiplier24x37x
L1 cache112 KB/core64 KB/core
L2 cache2000 KB/core512 KB/core
L3 Cache30 MB total64 MB total
Unlocked multiplierYesYes

Package

Transistor count n/a 4.15 billion
Process tech. 3 nm 7 nm
Power (TDP) 45-55 W 105 W
Max TDP (Boost) 160 W 142 W
Socket FCBGA-2114 AM4
Critical temp. 105 °C 90 °C

Memory Support

Memory Type DDR5-6400 DDR4-3200
Max Size 192 GB 128 GB
Channels 2 2
ECC support Yes Yes
Max memory bandwidth n/a 47.68 GB

Other

PCIe Version 5.0 4.0
Max PCIe Lanes 24 20

Results

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

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