Ryzen 9 3900X vs Core i9-12900: which is better
AMD Ryzen 9 3900X (desktop, 2019) against Intel Core i9-12900 (desktop, 2022): benchmarks, games, specs and current prices.
Key differences
- Core i9-12900 is 4% faster in multi-threaded work (PassMark 33,619 vs 32,463).
- Core i9-12900 is 48% faster per core.
- Ryzen 9 3900X is $338 cheaper ($147 vs $485).
- Ryzen 9 3900X gives 220% more performance per dollar.
- Core i9-12900 has a lower TDP: 65 W vs 105 W.
- Different sockets (AM4 and LGA1700): they need different motherboards.
| Ryzen 9 3900X | Core i9-12900 | |
|---|---|---|
| Overall score | 45.0 | 46.6 |
| PassMark CPU Mark | 32,463 | 33,619 |
| Single-thread rating | 2,702 | 4,003 |
| US price | from $147 | from $485 |
| Cores | 12 | 16 (8P + 8E) |
| Threads | 24 | 24 |
| Base clock | 3.8 GHz | 2.4 GHz |
| Max boost | 4.6 GHz | 5.1 GHz |
| L3 cache | 64 MB | 30 MB |
| TDP | 105 W | 65 W |
| Max power | 142 W | 202 W |
| Memory | DDR4 | DDR4 / DDR5 |
| Memory speed | 3200 MT/s | 4800 MT/s |
| PCI Express | PCIe 4.0 | PCIe 5.0 |
| Socket | AM4 | LGA1700 |
| Process | 7 nm (TSMC N7) | 10 nm (Intel 7) |
| Architecture | Zen 2 | Alder Lake |
| Series | Ryzen 3000 | 12th Gen Core |
| Release year | 2019 | 2022 |
| Integrated graphics | none | UHD Graphics 770 |