Home > CPU Comparison > Ryzen 9 8945HS or Ryzen 7 H 255: what's better?

AMD Ryzen 9 8945HS vs Ryzen 7 H 255

60 out of 100
AMD Ryzen 9 8945HS
VS
61 out of 100
AMD Ryzen 7 H 255
AMD Ryzen 9 8945HS
AMD Ryzen 7 H 255

We compared two 8-core laptop CPUs: the 4.0 GHz AMD Ryzen 9 8945HS against the 3.8 GHz Ryzen 7 H 255. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 255 and 8945HS
Advantages of AMD Ryzen 9 8945HS
  • 6% higher Turbo Boost frequency (5.2 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 7 H 255
  • Newer - released 1 year and 8 months later

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 9 8945HS
vs
Ryzen 7 H 255

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (172nd and 179th place)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Ryzen 9 8945HS
11875
Ryzen 7 H 255 +7%
12667
File compression 494.2 MB/sec 1020 MB/sec
Clang compilation 92.7 Klines/sec 99.8 Klines/sec
HTML 5 Browser 287.4 pages/sec 255.5 pages/sec
PDF Renderer 280.8 Mpixels/sec 378.2 Mpixels/sec
Text processing 251.5 pages/sec 259.2 pages/sec
Background blur 65.5 images/sec 61.1 images/sec
Photo processing 104.2 images/sec 99.7 images/sec
Ray tracing 27.1 Mpixels/sec 21.5 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 119 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Ryzen 9 8945HS +4%
29254
Ryzen 7 H 255
28112
Integer math 99.6 GOps/sec 96 GOps/sec
Floating point math 60.7 GOps/sec 59.2 GOps/sec
Find prime numbers 90M Primes/sec 85M Primes/sec
Random string sorting 42.5M Strings/sec 41.8M Strings/sec
Data encryption 20.9 GBytes/sec 20.3 GBytes/sec
Data compression 349.6 MBytes/sec 344.3 MBytes/sec
Physics 1409 Frames/sec 1349 Frames/sec
Extended instructions 26.4B Matrices/sec 25.6B Matrices/sec
Sources: PassMark [3], [4] โ€“ 1472 & 375 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen 9 8945HS
218.76
Ryzen 7 H 255 +1%
221.64

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 17.5 PPW 17.1 PPW
Geekbench 6 Multi / Watt 219.9 PPW 234.6 PPW
Passmark CPU Mark / Watt 541.7 PPW 520.6 PPW
Blender / Watt 4.05 PPW 4.1 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
AMD Ryzen 9 8945HS
DateBenchmarkResult
๐Ÿ“˜ 2025-08-12 (Ash)Cinebench 2024100 / 870
๐Ÿ“˜ 2025-07-14 (END)Cinebench 2024105 / 943
Add View all (2)
AMD Ryzen 7 H 255
No benchmark results yet
Add

Specifications

Full technical specification of AMD Ryzen 9 8945HS and Ryzen 7 H 255

General

Vendor Amd Amd
Released December 6, 2023 August 4, 2025
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 4 (Hawk Point) Zen 4 (Hawk Point)
Integrated GPU Radeon 780M Radeon 780M
Rival Equivalent - Intel Core Ultra 9 185H -
Successor - AMD Ryzen 9 270 -
AMD Ryzen CPU ranking (65th and 55th place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 4.0 GHz 3.8 GHz
Turbo Boost Frequency (P) 5.2 GHz 4.9 GHz
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 40x 38x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 16MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors 25 billions 25 billions
Fabrication Process 4 nm 4 nm
TDP (PL1) 35-54 W (configurable) 35-54 W (configurable)
Socket FP8 FP8
Peak Temperature 100ยฐC 100ยฐC
Laptop processors ranking (104th and 86th place)

iGPU

Integrated Graphics Radeon 780M Radeon 780M
GPU Base Clock 800 MHz 800 MHz
GPU Boost Clock 2800 MHz 2600 MHz
Shading Units 768 768
TMUs 48 48
ROPs 32 32
Execution Units 12 12
TGP 15 W 15 W
iGPU FLOPS
Ryzen 9 8945HS +7%
4.3 TFLOPS
Ryzen 7 H 255
4 TFLOPS
See: Radeon 780M benchmarks

Memory Support

Memory Types - DDR5-5600
- LPDDR5x-7500		 - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 256 GB 256 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site AMD Ryzen 9 8945HS official page -
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
4 (44.4%)
5 (55.6%)
Total votes: 9

Competitors

1. AMD Ryzen 9 8945HS vs AMD Ryzen 7 8845HS (2)
2. AMD Ryzen 9 8945HS vs Intel Core Ultra 9 185H (8)
3. AMD Ryzen 9 8945HS vs Intel Core i9 14900HX
4. AMD Ryzen 7 H 255 vs AMD Ryzen 7 8745HS
5. AMD Ryzen 7 H 255 vs AMD Ryzen 7 8845HS
6. AMD Ryzen 7 H 255 vs AMD Ryzen AI 9 HX 370
7. AMD Ryzen 7 H 255 vs AMD Ryzen 7 7735HS
Compare other CPUs (460+)

Comments

So which CPU will you choose: AMD Ryzen 7 H 255 or Ryzen 9 8945HS?
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