Key Differences
In short — Ryzen 9 7945HX3D outperforms Ryzen 7 7840U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 7945HX3D is 62 days newer than Ryzen 7 7840U.
Advantages of AMD Ryzen 7 7840U
- Consumes up to 49% less energy than AMD Ryzen 9 7945HX3D - 28 vs 55 Watts
Advantages of AMD Ryzen 9 7945HX3D
- Performs up to 9% better in Watch Dogs: Legion than Ryzen 7 7840U - 168 vs 154 FPS
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 7 7840U - 32 vs 16 threads
Watch Dogs: Legion
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 7 7840U
Mobile • May 26th, 2023
Ryzen 9 7945HX3D
Mobile • Jul 27th, 2023
Geekbench 5 Benchmarks
Ryzen 7 7840U
Mobile • May 26th, 2023
Single-Core
2099
74.51189208377707%
Multi-Core
8791
53.327267212617535%
AMD Ryzen 7 7840U | vs | AMD Ryzen 9 7945HX3D |
|---|---|---|
| May 26th, 2023 | Release Date | Jul 27th, 2023 |
| Ryzen 7 | Collection | Ryzen 9 |
| Not Available | Codename | Not Available |
| AMD Socket FP8 | Socket | AMD Socket FL1 |
Mobile | Segment | Mobile |
| 8 | Cores | 16 |
| 16 | Threads | 32 |
3.3 GHz | Base Clock Speed | 2.3 GHz |
| 5.1 GHz | Turbo Clock Speed | 5.4 GHz |
28 W | TDP | 55 W |
4 nm | Process Size | 5 nm |
33.0x | Multiplier | 23.0x |
| Radeon 780M | Integrated Graphics | Radeon 610M |
| No | Overclockable | Yes |
