| Spec | Core i9-12900K | Core Ultra 5 250K Plus |
|---|---|---|
| Performance | ||
| Total Cores | 16 | 18+11% |
| Threads | 24+33% | 18 |
| P-Cores | 8+33% | 6 |
| E-Cores | 8 | 12+33% |
| Boost Clock | 5.2 GHz | 5.3 GHz+2% |
| Base Clock | 3.2 GHz | 4 GHz+20% |
| Cache | ||
| L3 Cache | 30 MB | |
| 30 MB |
| L2 Cache | 14 MB | 30 MB+53% |
| Platform | ||
| Socket | LGA1700 | LGA1851 |
| Architecture | Alder Lake | Arrow Lake Refresh |
| Process Node | 10 nm | 3 nm |
| Memory Support | DDR4 / DDR5 | DDR5 |
| Max Memory | 128 GB | 192 GB+33% |
| PCIe Lanes | 20 | 24+17% |
| PCIe Version | 5 | 5 |
| Power | ||
| TDP | 125W | 125W |
| Max Turbo Power | 241W | 159W+52% |
| Features | ||
| Unlocked | Yes | Yes |
| Cooler Included | No | No |
| Integrated GPU | Yes | Yes |
| iGPU Model | Intel UHD Graphics 770 | Intel Graphics (Xe-LPG) |
| Price | ||
| MSRP | $589 | $199+196% |
| Release Date | 2021-11-01 | 2026-03-26 |