Key Differences
In short — Ryzen 7 7745HX outperforms Ryzen 9 3900XT on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 7 7745HX is 911 days newer than Ryzen 9 3900XT.
Advantages of AMD Ryzen 9 3900XT
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 7 7745HX - 24 vs 16 threads
Advantages of AMD Ryzen 7 7745HX
- Performs up to 6% better in Forza Horizon 4 than Ryzen 9 3900XT - 337 vs 317 FPS
- Consumes up to 48% less energy than AMD Ryzen 9 3900XT - 55 vs 105 Watts
- Works without a dedicated GPU, while AMD Ryzen 9 3900XT doesn't have integrated graphics
Forza Horizon 4
Resolution
1920 x 1080
Game Graphics
Max
Desktop • Jul 7th, 2020
FPS
317
94.06528189910979%
Value, £/FPS
£1.48/FPS
100%
Price, £
£470
100%
Value Winner
Buy for £470 on Amazon
In Stock
Updated 58295 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Max
Desktop • Jul 7th, 2020
Mobile • Jan 4th, 2023
Geekbench 5 Benchmarks
Desktop • Jul 7th, 2020
Single-Core
1729
64.27509293680296%
Multi-Core
10030
75.92158050109758%
AMD Ryzen 9 3900XT | vs | AMD Ryzen 7 7745HX |
---|---|---|
Jul 7th, 2020 | Release Date | Jan 4th, 2023 |
Ryzen 9 | Collection | Ryzen 7 |
Matisse | Codename | Not Available |
AMD Socket AM4 | Socket | AMD Socket FL1 |
Desktop | Segment | Mobile |
12 | Cores | 8 |
24 | Threads | 16 |
3.8 GHz | Base Clock Speed | 3.6 GHz |
4.7 GHz | Turbo Clock Speed | 5.1 GHz |
105 W | TDP | 55 W |
7 nm | Process Size | 5 nm |
39.0x | Multiplier | 36.0x |
None | Integrated Graphics | Radeon 610M |
Yes | Overclockable | Yes |