| Spec | Core i5-6600K | Core i5-8400 |
|---|---|---|
| Performance | ||
| Total Cores | 4 | 6+33% |
| Threads | 4 | 6+33% |
| Boost Clock | 3.9 GHz | 4 GHz+3% |
| Base Clock | 3.5 GHz+25% | 2.8 GHz |
| Cache | ||
| L3 Cache | 6 MB | 9 MB+33% |
| L2 Cache | 1 MB | 1.5 MB+33% |
| Platform | ||
| Socket | ||
| LGA1151 |
| LGA1151 |
| Architecture | Skylake | Coffee Lake |
| Process Node | 14 nm | 14 nm |
| Memory Support | DDR4 | DDR4 |
| Max Memory | 64 GB | 64 GB |
| PCIe Lanes | 16 | 16 |
| PCIe Version | 3 | 3 |
| Power | ||
| TDP | 91W | 65W+40% |
| Max Turbo Power | 91W | 65W+40% |
| Features | ||
| Unlocked | Yes | No |
| Cooler Included | No | Yes |
| Integrated GPU | Yes | Yes |
| iGPU Model | Intel HD Graphics 530 | Intel UHD Graphics 630 |
| Price | ||
| MSRP | $243 | $182+34% |
| Release Date | 2015-08-05 | 2017-10-05 |
