Key Differences
In short — Core i9-11900KF outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i9-11900KF is 1258 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 33% cheaper than Core i9-11900KF - £158.88 vs £238.88
- Up to 29% better value when playing Rocket League than Core i9-11900KF - £0.22 vs £0.31 per FPS
- Consumes up to 48% less energy than Intel Core i9-11900KF - 65 vs 125 Watts
Advantages of Intel Core i9-11900KF
- Performs up to 7% better in Rocket League than Core i5-8400 - 767 vs 714 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
Rocket League
Resolution
1920 x 1080
Game Graphics
High Quality
Desktop • Oct 5th, 2017
FPS
714
93%
Value, £/FPS
£0.22/FPS
100%
Price, £
£158.88
100%
Value Winner
Buy for £158.88 on Amazon
In Stock
Updated 10901 minutes ago
Desktop • Mar 16th, 2021
FPS
767
100%
Value, £/FPS
£0.31/FPS
70%
Price, £
£238.88
66%
FPS Winner
Buy for £238.88 on Amazon
In Stock
Updated 10900 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High Quality
Desktop • Oct 5th, 2017
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i9-11900KF |
---|---|---|
Oct 5th, 2017 | Release Date | Mar 16th, 2021 |
Core i5 | Collection | Core i9 |
Coffee Lake | Codename | Rocket Lake |
Intel Socket 1151 | Socket | Intel Socket 1200 |
Desktop | Segment | Desktop |
6 | Cores | 8 |
6 | Threads | 16 |
2.8 GHz | Base Clock Speed | 3.5 GHz |
4.0 GHz | Turbo Clock Speed | 5.3 GHz |
65 W | TDP | 125 W |
14 nm | Process Size | 14 nm |
28.0x | Multiplier | 35.0x |
None | Integrated Graphics | None |
No | Overclockable | Yes |