Ryzen 5 8645HS vs Ryzen 9 5900HX: which is better
AMD Ryzen 5 8645HS (laptop, 2024) against AMD Ryzen 9 5900HX (laptop, 2021): benchmarks, games, specs and current prices.
Key differences
- Ryzen 9 5900HX is 0% faster in multi-threaded work (PassMark 21,963 vs 21,953).
- Ryzen 5 8645HS is 13% faster per core.
| Ryzen 5 8645HS | Ryzen 9 5900HX | |
|---|---|---|
| Overall score | 30.5 | 30.5 |
| PassMark CPU Mark | 21,953 | 21,963 |
| Single-thread rating | 3,548 | 3,148 |
| US price | laptops only | laptops only |
| Cores | 6 | 8 |
| Threads | 12 | 16 |
| Base clock | 4.3 GHz | 3.3 GHz |
| Max boost | 5.0 GHz | 4.6 GHz |
| L3 cache | 16 MB | 16 MB |
| TDP | 45 W | 45 W |
| Max power | 54 W | 54 W |
| Memory | DDR5 / LPDDR5X | DDR4 / LPDDR4X |
| Memory speed | 5600 MT/s | 3200 MT/s |
| PCI Express | PCIe 4.0 | PCIe 3.0 |
| Socket | BGA (soldered) | BGA (soldered) |
| Process | 4 nm (TSMC N4) | 7 nm (TSMC N7) |
| Architecture | Zen 4 | Zen 3 |
| Series | Ryzen 8040 | Ryzen 5000 (laptops) |
| Release year | 2024 | 2021 |
| Integrated graphics | Radeon 760M | Radeon Vega 8 |