| Spec | Core i9-12900K | Core i9-9900K |
|---|---|---|
| Performance | ||
| Total Cores | 16+100% | 8 |
| Threads | 24+50% | 16 |
| P-Cores | 8 | N/A |
| E-Cores | 8 | N/A |
| Boost Clock | 5.2 GHz+4% | 5 GHz |
| Base Clock | 3.2 GHz | 3.6 GHz+11% |
| Cache | ||
| L3 Cache | 30 MB+88% | 16 MB |
| L2 Cache | 14 MB+600% | 2 MB |
| Platform | ||
| Socket | LGA1700 | LGA1151 |
| Architecture | Alder Lake | Coffee Lake Refresh |
| Process Node | 10 nm | 14 nm |
| Memory Support | DDR4 / DDR5 | DDR4 |
| Max Memory | 128 GB+100% | 64 GB |
| PCIe Lanes | 20+25% | 16 |
| PCIe Version | 5+67% | 3 |
| Power | ||
| TDP | 125W | 95W+32% |
| Max Turbo Power | 241W | 95W+154% |
| Features | ||
| Unlocked | Yes | Yes |
| Cooler Included | No | No |
| Integrated GPU | Yes | Yes |
| iGPU Model | Intel UHD Graphics 770 | Intel UHD Graphics 630 |
| Price | ||
| MSRP | $589 | $488+21% |
| Release Date | 2021-11-01 | 2018-10-19 |
