Core i9-10900K vs Core i9-10900X: which is better
Intel Core i9-10900K (desktop, 2020) against Intel Core i9-10900X (desktop, 2019): benchmarks, games, specs and current prices.
Key differences
- Core i9-10900X is 0% faster in multi-threaded work (PassMark 22,261 vs 22,213).
- Core i9-10900K is 17% faster per core.
- Core i9-10900X is $101 cheaper ($299 vs $400).
- Core i9-10900X gives 34% more performance per dollar.
- Core i9-10900K has a lower TDP: 125 W vs 165 W.
- Different sockets (LGA1200 and LGA2066): they need different motherboards.
| Core i9-10900K | Core i9-10900X | |
|---|---|---|
| Overall score | 30.8 | 30.9 |
| PassMark CPU Mark | 22,213 | 22,261 |
| Single-thread rating | 3,106 | 2,662 |
| US price | from $400 | from $299 |
| Cores | 10 | 10 |
| Threads | 20 | 20 |
| Base clock | 3.7 GHz | 3.7 GHz |
| Max boost | 5.3 GHz | 4.7 GHz |
| L3 cache | 20 MB | 19.25 MB |
| TDP | 125 W | 165 W |
| Max power | 250 W | 165 W |
| Memory | DDR4 | DDR4 (quad-channel) |
| Memory speed | 2933 MT/s | 2933 MT/s |
| PCI Express | PCIe 3.0 | PCIe 3.0 |
| Socket | LGA1200 | LGA2066 |
| Process | 14 nm (Intel) | 14 nm (Intel) |
| Architecture | Comet Lake | Cascade Lake-X |
| Series | 10th Gen Core | Core X (10th Gen) |
| Release year | 2020 | 2019 |
| Integrated graphics | UHD Graphics 630 | none |