AMD Ryzen 9 8945HS vs Ryzen 9 5900HX

60 out of 100
AMD Ryzen 9 8945HS
VS
48 out of 100
AMD Ryzen 9 5900HX

We compared two 8-core laptop CPUs: the 4.0 GHz AMD Ryzen 9 8945HS against the 3.3 GHz Ryzen 9 5900HX. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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 5900HX and 8945HS
Advantages of AMD Ryzen 9 8945HS
  • Supports up to 256 GB DDR5-5600 RAM
  • Newer - released 2 years and 11 months later
  • More powerful Radeon 780M integrated graphics: 4.3 vs 2.2 TFLOPS
  • More modern manufacturing process โ€“ 4 versus 7 nanometers
  • Newer PCI Express version โ€“ 4.0
  • 18% faster in a single-core Geekbench v6 test - 2394 vs 2027 points
  • 13% higher Turbo Boost frequency (5.2 GHz vs 4.6 GHz)
Advantages of AMD Ryzen 9 5900HX
  • Unlocked multiplier

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#172nd place)

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)
11875
File compression 494.2 MB/sec 734.8 MB/sec
Clang compilation 92.7 Klines/sec 69 Klines/sec
HTML 5 Browser 287.4 pages/sec 145.5 pages/sec
PDF Renderer 280.8 Mpixels/sec 256.9 Mpixels/sec
Text processing 251.5 pages/sec 206.4 pages/sec
Background blur 65.5 images/sec 40.2 images/sec
Photo processing 104.2 images/sec 61 images/sec
Ray tracing 27.1 Mpixels/sec 17.1 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 119 & 576 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
29254
Integer math 99.6 GOps/sec 85.1 GOps/sec
Floating point math 60.7 GOps/sec 47 GOps/sec
Find prime numbers 90M Primes/sec 52M Primes/sec
Random string sorting 42.5M Strings/sec 29.7M Strings/sec
Data encryption 20.9 GBytes/sec 17.9 GBytes/sec
Data compression 349.6 MBytes/sec 284.2 MBytes/sec
Physics 1409 Frames/sec 894 Frames/sec
Extended instructions 26.4B Matrices/sec 19.3B Matrices/sec
Sources: PassMark [3], [4] โ€“ 1472 & 4129 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
218.76

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 17.5 PPW 12.9 PPW
Geekbench 6 Multi / Watt 219.9 PPW 157.5 PPW
Passmark CPU Mark / Watt 541.7 PPW 407.4 PPW
Blender / Watt 4.05 PPW 3.28 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
AMD Ryzen 9 5900HX
No benchmark results yet

Specifications

Full technical specification of AMD Ryzen 9 8945HS and Ryzen 9 5900HX

General

Vendor Amd Amd
Released December 6, 2023 January 12, 2021
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 4 (Hawk Point) Zen 3 (Cezanne)
Integrated GPU Radeon 780M Radeon RX Vega 8
Rival Equivalent - Intel Core Ultra 9 185H - Intel Core i9 11980HK
Successor - AMD Ryzen 9 270 - AMD Ryzen 9 9850HX
AMD Ryzen CPU ranking (65th and 123rd place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 4.0 GHz 3.3 GHz
Turbo Boost Frequency (P) 5.2 GHz 4.6 GHz
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 40x 33x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 512K (per core)
L3 Cache 16MB (shared) 16MB (shared)
Unlocked Multiplier No Yes

Package

Transistors 25 billions -
Fabrication Process 4 nm 7 nm
TDP (PL1) 35-54 W (configurable) 35-54 W (configurable)
Socket FP8 FP6
Peak Temperature 100ยฐC 105ยฐC

iGPU

Integrated Graphics Radeon 780M Radeon RX Vega 8
GPU Base Clock 800 MHz 300 MHz
GPU Boost Clock 2800 MHz 2100 MHz
Shading Units 768 512
TMUs 48 32
ROPs 32 8
Execution Units 12 8
TGP 15 W 25 W
iGPU FLOPS
4.3 TFLOPS
2.2 TFLOPS

Memory Support

Memory Types - DDR5-5600
- LPDDR5x-7500
- DDR4-3200
- LPDDR4-4266
Max. Memory Size 256 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth - 68.27 GB/s
ECC Support No Yes

Misc

Official Site AMD Ryzen 9 8945HS official page AMD Ryzen 9 5900HX official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
7 (58.3%)
5 (41.7%)
Total votes: 12

Comments

So which CPU will you choose: AMD Ryzen 9 5900HX or Ryzen 9 8945HS?
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