Intel Core Ultra 7 255H vs AMD Ryzen 9 9950X

Compared 2 processors: Intel Core Ultra 7 255H, vs AMD Ryzen 9 9950X. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 7 255H and AMD Ryzen 9 9950X
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 9 9950X
2243
Cinebench R23 (Multi-Core)
Intel Core Ultra 7 255H
18689
AMD Ryzen 9 9950X
42103
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255H
125
AMD Ryzen 9 9950X
137
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255H
1028
AMD Ryzen 9 9950X
2289
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 7 255H
n/a
AMD Ryzen 9 9950X
4743
PassMark CPU (Multi-Core)
Intel Core Ultra 7 255H
n/a
AMD Ryzen 9 9950X
66288
Integer Mathn/a242.9 GOps/s
Floating-Point Mathn/a159.5 GOps/s
Prime Number Searchn/a345 M primes/s
Random String Sortn/a95 M strings/s
Data Encryptionn/a44.6 GB/s
Data Compressionn/a901 MB/s
Physicsn/a3293 frames/s
Extended Instructionsn/a719 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 7 255H
2725
AMD Ryzen 9 9950X
3418
Geekbench 6 (Multi-Core)
Intel Core Ultra 7 255H
15123
AMD Ryzen 9 9950X
21758
File Compression1270 MB/s1710 MB/s
Clang Compilation103.2 KLines/s226 KLines/s
HTML5 Browser399 pages/s391.9 pages/s
PDF Rendering443.6 MP/sec586.8 MP/sec
Text Processing283.7 pages/s351.6 pages/s
Background Blur62.4 frames/s84.3 frames/s
Photo Processing144.8 frames/s144.4 frames/s
Ray Tracing24 MP/sec55.7 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 7 255H
n/a
AMD Ryzen 9 9950X
598.37

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 540.1 PPW 128 PPW
PassMark CPU / W n/a 389.9 PPW
Cinebench 2024 / W 36.7 PPW 13.5 PPW
Blender / W n/a 3.52 PPW

General Info

Manufacturer Intel AMD
Announced January, 6, 2025 June, 3, 2024
Type Laptop use PC use
Architecture x86-64 x86-64
Codename Arrow Lake Zen 5 (Granite Ridge)
Model number 255H 9950X
Integrated GPU Arc Graphics 140T Radeon Graphics

Processor

Performance cores
Cores 6 16
Threads 6 32
Frequency 2.0 GHz 4.3 GHz
Max Frequency (Turbo) 5.1 GHz 5.7 GHz
Efficiency cores
Cores10n/a
Threads10n/a
Frequency1.5 GHzn/a
Max Frequency (Turbo)4.4 GHzn/a
General
Cores count1616
Threads count1632
Bus frequency100 MHz100 MHz
Multiplier20x43x
L1 cache112 KB/core80 KB/core
L2 cache2000 KB/core1000 KB/core
L3 Cache24 MB total64 MB total
Unlocked multiplierNoYes

Package

Process tech. 3 nm 4 nm
Power (TDP) 20-28 W 170 W
Max TDP (Boost) 115 W 230 W
Socket FCBGA-2049 AM5
Critical temp. 110 °C 95 °C

Memory Support

Memory Type - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400
DDR5-5600
Max Size 128 GB 192 GB
Channels 2 2
ECC support No Yes

Other

PCIe Version 5.0 5.0
Max PCIe Lanes 28 28

Results

After analyzing the data, we consider AMD Ryzen 9 9950X the clear winner in this comparison.

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