Key Differences
In short — Ryzen 9 8945HS outperforms Ryzen 9 3900X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 8945HS is 1613 days newer than Ryzen 9 3900X.
Advantages of Ryzen 9 3900X
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 9 8945HS - 24 vs 16 threads
Advantages of Ryzen 9 8945HS
- Performs up to 5% better in ARK: Survival Evolved than Ryzen 9 3900X - 131 vs 125 FPS
- Consumes up to 57% less energy than AMD Ryzen 9 3900X - 45 vs 105 Watts
- Works without a dedicated GPU, while AMD Ryzen 9 3900X doesn't have integrated graphics
ARK: Survival Evolved
Resolution
1920 x 1080
Game Graphics
Epic
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Epic
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Ryzen 9 8945HS
Mobile • Dec 6th, 2023
Geekbench 5 Benchmarks
Ryzen 9 3900X | vs | Ryzen 9 8945HS |
|---|---|---|
| Jul 7th, 2019 | Release Date | Dec 6th, 2023 |
| Ryzen 9 | Collection | Ryzen 9 |
| Matisse | Codename | Not Available |
| AMD Socket AM4 | Socket | AMD Socket FP8 |
Desktop | Segment | Mobile |
12 | Cores | 8 |
24 | Threads | 16 |
| 3.8 GHz | Base Clock Speed | 4.0 GHz |
| 4.6 GHz | Turbo Clock Speed | 5.2 GHz |
| 105 W | TDP | 45 W |
| 7 nm | Process Size | 4 nm |
| 38.0x | Multiplier | 40.0x |
| None | Integrated Graphics | Radeon 780M |
Yes | Overclockable | No |
