Key Differences
In short — Core i9-9900KF outperforms Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-9900KF is 460 days newer than Core i5-8400.
Advantages of Core i5-8400
- Consumes up to 32% less energy than Intel Core i9-9900KF - 65 vs 95 Watts
- Works without a dedicated GPU, while Intel Core i9-9900KF doesn't have integrated graphics
Advantages of Core i9-9900KF
- Performs up to 5% better in Battlefield V than Core i5-8400 - 244 vs 233 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
Battlefield V
Resolution
1920 x 1080
Game Graphics
Ultra
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-9900KF
Desktop • Jan 8th, 2019
Geekbench 5 Benchmarks
Core i5-8400 | vs | Core i9-9900KF |
|---|---|---|
| Oct 5th, 2017 | Release Date | Jan 8th, 2019 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.8 GHz | Base Clock Speed | 3.6 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.0 GHz |
65 W | TDP | 95 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 36.0x |
UHD Graphics 630 | Integrated Graphics | None |
| No | Overclockable | Yes |
