Key Differences
In short — Core i9-11900K outperforms the cheaper Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-11900K is 1258 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 30% cheaper than Core i9-11900K - €177.5 vs €253.39
- Consumes up to 48% less energy than Intel Core i9-11900K - 65 vs 125 Watts
Advantages of Intel Core i9-11900K
- Performs up to 10% better in Ready or Not than Core i5-8400 - 292 vs 265 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Ready or Not
Resolution
1920 x 1080
Game Graphics
Epic
Buy for €177.5 on Amazon
In Stock
Updated 74035 minutes ago
Buy for €253.39 on Amazon
In Stock
Updated 74034 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Desktop • Oct 5th, 2017
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Desktop • Oct 5th, 2017
Single-Core
1353
57.06452973428932%
Multi-Core
4748
43.36865180854951%
Intel Core i5-8400 | vs | Intel Core i9-11900K |
---|---|---|
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 | UHD Graphics 750 |
No | Overclockable | Yes |