Core i5-9600K vs Core i5-8600K: which is better
Intel Core i5-9600K (desktop, 2018) against Intel Core i5-8600K (desktop, 2017): benchmarks, games, specs and current prices.
Key differences
- Core i5-9600K is 5% faster in multi-threaded work (PassMark 10,653 vs 10,134).
- Core i5-9600K is 6% faster per core.
- Both use socket LGA1151 v2 and fit the same motherboards (with a suitable BIOS).
| Core i5-9600K | Core i5-8600K | |
|---|---|---|
| Overall score | 14.8 | 14.1 |
| PassMark CPU Mark | 10,653 | 10,134 |
| Single-thread rating | 2,720 | 2,565 |
| US price | no current price | from $73 |
| Cores | 6 | 6 |
| Threads | 6 | 6 |
| Base clock | 3.7 GHz | 3.6 GHz |
| Max boost | 4.6 GHz | 4.3 GHz |
| L3 cache | 9 MB | 9 MB |
| TDP | 95 W | 95 W |
| Max power | 95 W | 95 W |
| Memory | DDR4 | DDR4 |
| Memory speed | 2666 MT/s | 2666 MT/s |
| PCI Express | PCIe 3.0 | PCIe 3.0 |
| Socket | LGA1151 v2 | LGA1151 v2 |
| Process | 14 nm (Intel) | 14 nm (Intel) |
| Architecture | Coffee Lake Refresh | Coffee Lake |
| Series | 9th Gen Core | 8th Gen Core |
| Release year | 2018 | 2017 |
| Integrated graphics | UHD Graphics 630 | UHD Graphics 630 |