Key Differences
In short — Ryzen 5 8640U outperforms Ryzen 7 3800XT on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 5 8640U is 1247 days newer than Ryzen 7 3800XT.
Advantages of AMD Ryzen 7 3800XT
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 5 8640U - 16 vs 12 threads
Advantages of AMD Ryzen 5 8640U
- Performs up to 23% better in Far Cry 3 than Ryzen 7 3800XT - 190 vs 155 FPS
- Consumes up to 73% less energy than AMD Ryzen 7 3800XT - 28 vs 105 Watts
- Works without a dedicated GPU, while AMD Ryzen 7 3800XT doesn't have integrated graphics
Far Cry 3
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 7 3800XT
Desktop • Jul 7th, 2020
Ryzen 5 8640U
Mobile • Dec 6th, 2023
Geekbench 5 Benchmarks
Ryzen 7 3800XT
Desktop • Jul 7th, 2020
Single-Core
1758
70.82997582594682%
Multi-Core
8481
96.71570304481698%
AMD Ryzen 7 3800XT | vs | AMD Ryzen 5 8640U |
|---|---|---|
| Jul 7th, 2020 | Release Date | Dec 6th, 2023 |
| Ryzen 7 | Collection | Ryzen 5 |
| Matisse | Codename | Not Available |
| AMD Socket AM4 | Socket | AMD Socket FP8 |
Desktop | Segment | Mobile |
8 | Cores | 6 |
16 | Threads | 12 |
3.9 GHz | Base Clock Speed | 3.5 GHz |
| 4.7 GHz | Turbo Clock Speed | 4.9 GHz |
| 105 W | TDP | 28 W |
| 7 nm | Process Size | 4 nm |
38.0x | Multiplier | 35.0x |
| None | Integrated Graphics | Radeon 760M |
Yes | Overclockable | No |
