| Spec | Core i5-9400F | Core i7-8700K |
|---|---|---|
| Performance | ||
| Total Cores | 6 | 6 |
| Threads | 6 | 12+50% |
| Boost Clock | 4.1 GHz | 4.7 GHz+13% |
| Base Clock | 2.9 GHz | 3.7 GHz+22% |
| Cache | ||
| L3 Cache | 9 MB | 12 MB+25% |
| L2 Cache | 1.5 MB | 1.5 MB |
| Platform | ||
| Socket | LGA1151 | LGA1151 |
| Architecture | Coffee Lake Refresh | 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 | 65W+32% | 95W |
| Max Turbo Power | 65W+32% | 95W |
| Features | ||
| Unlocked | No | Yes |
| Cooler Included | Yes | No |
| Integrated GPU | No | Yes |
| iGPU Model | N/A | Intel UHD Graphics 630 |
| Price | ||
| MSRP | $157+56% | $359 |
| Release Date | 2019-01-07 | 2017-10-05 |