| Spec | Core i5-8400 | Core i9-12900K |
|---|---|---|
| Performance | ||
| Total Cores | 6 | 16+62% |
| Threads | 6 | 24+75% |
| P-Cores | N/A | 8 |
| E-Cores | N/A | 8 |
| Boost Clock | 4 GHz | 5.2 GHz+23% |
| Base Clock | 2.8 GHz | 3.2 GHz+13% |
| Cache | ||
| L3 Cache | 9 MB | 30 MB+70% |
| L2 Cache | 1.5 MB | 14 MB+89% |
| Platform | ||
| Socket | LGA1151 | LGA1700 |
| Architecture | Coffee Lake | Alder Lake |
| Process Node | 14 nm | 10 nm |
| Memory Support | DDR4 | DDR4 / DDR5 |
| Max Memory | 64 GB | 128 GB+50% |
| PCIe Lanes | 16 | 20+20% |
| PCIe Version | 3 | 5+40% |
| Power | ||
| TDP | 65W+48% | 125W |
| Max Turbo Power | 65W+73% | 241W |
| Features | ||
| Unlocked | No | Yes |
| Cooler Included | Yes | No |
| Integrated GPU | Yes | Yes |
| iGPU Model | Intel UHD Graphics 630 | Intel UHD Graphics 770 |
| Price | ||
| MSRP | $182+69% | $589 |
| Release Date | 2017-10-05 | 2021-11-01 |
