Intel Core Ultra 7 255HX vs AMD Ryzen 9 8945HS

Compared 2 processors: Intel Core Ultra 7 255HX, vs AMD Ryzen 9 8945HS. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 7 255HX and AMD Ryzen 9 8945HS
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 8945HS
1805
Cinebench R23 (Multi-Core)
Intel Core Ultra 7 255HX
25602
AMD Ryzen 9 8945HS
17079
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255HX
132
AMD Ryzen 9 8945HS
106
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255HX
1591
AMD Ryzen 9 8945HS
967
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 7 255HX
n/a
AMD Ryzen 9 8945HS
3847
PassMark CPU (Multi-Core)
Intel Core Ultra 7 255HX
n/a
AMD Ryzen 9 8945HS
29890
Integer Mathn/a101.6 GOps/s
Floating-Point Mathn/a62.1 GOps/s
Prime Number Searchn/a93 M primes/s
Random String Sortn/a43.2 M strings/s
Data Encryptionn/a21.4 GB/s
Data Compressionn/a358.4 MB/s
Physicsn/a1439 frames/s
Extended Instructionsn/a271 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 7 255HX
2901
AMD Ryzen 9 8945HS
2394
Geekbench 6 (Multi-Core)
Intel Core Ultra 7 255HX
17597
AMD Ryzen 9 8945HS
11875
File Compression1270 MB/s494.2 MB/s
Clang Compilation187.3 KLines/s92.7 KLines/s
HTML5 Browser337.9 pages/s287.4 pages/s
PDF Rendering488.3 MP/sec280.8 MP/sec
Text Processing336.6 pages/s251.5 pages/s
Background Blur72.7 frames/s65.5 frames/s
Photo Processing121.8 frames/s104.2 frames/s
Ray Tracing39.7 MP/sec27.1 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 7 255HX
n/a
AMD Ryzen 9 8945HS
218.76

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 319.9 PPW 219.9 PPW
PassMark CPU / W n/a 553.5 PPW
Cinebench 2024 / W 28.9 PPW 17.9 PPW
Blender / W n/a 4.05 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 255HX n/a
Integrated GPU Arc Graphics (4-Cores) Radeon 780M

Processor

Performance cores
Cores 8 8
Threads 8 16
Frequency 2.4 GHz 4.0 GHz
Max Frequency (Turbo) 5.2 GHz 5.2 GHz
Efficiency cores
Cores12n/a
Threads12n/a
Frequency1.8 GHzn/a
Max Frequency (Turbo)4.5 GHzn/a
General
Cores count208
Threads count2016
Bus frequency100 MHz100 MHz
Multiplier24x40x
L1 cache112 KB/core64 KB/core
L2 cache2000 KB/core1000 KB/core
L3 Cache30 MB total16 MB total
Unlocked multiplierYesNo

Package

Transistor count n/a 25 billion
Process tech. 3 nm 4 nm
Power (TDP) 45-55 W 35-54 W
Max TDP (Boost) 160 W n/a
Socket FCBGA-2114 FP8
Critical temp. 105 °C 100 °C

Memory Support

Memory Type DDR5-6400 - DDR5-5600
- LPDDR5x-7500
Max Size 192 GB 256 GB
Channels 2 2
ECC support Yes No

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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