Key Differences
In short — Core i9-9900X 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 i9-9900X is 379 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 82% cheaper than Core i9-9900X - $83.35 vs $460.65
- Up to 82% better value when playing The Witcher 3: Wild Hunt than Core i9-9900X - $0.56 vs $3.03 per FPS
- Consumes up to 61% less energy than Intel Core i9-9900X - 65 vs 165 Watts
Advantages of Intel Core i9-9900X
- Performs up to 2% better in The Witcher 3: Wild Hunt than Core i5-8400 - 169 vs 166 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 20 vs 6 threads
The Witcher 3: Wild Hunt
Resolution
1920 x 1080
Game Graphics
Ultra+
Desktop • Oct 5th, 2017
FPS
166
98%
Value, €/FPS
€0.56/FPS
100%
Price, €
€92.52
100%
Value Winner
Buy for €92.52 on Amazon
In Stock
Updated 5 minutes ago
Desktop • Oct 19th, 2018
FPS
169
100%
Value, €/FPS
€3.03/FPS
18%
Price, €
€511.32
18%
FPS Winner
Buy for €511.32 on Amazon
In Stock
Updated 5 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra+
Desktop • Oct 5th, 2017
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i9-9900X |
---|---|---|
Oct 5th, 2017 | Release Date | Oct 19th, 2018 |
Core i5 | Collection | Core i9 |
Coffee Lake | Codename | Skylake |
Intel Socket 1151 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
6 | Cores | 10 |
6 | Threads | 20 |
2.8 GHz | Base Clock Speed | 3.5 GHz |
4.0 GHz | Turbo Clock Speed | 4.4 GHz |
65 W | TDP | 165 W |
14 nm | Process Size | 14 nm |
28.0x | Multiplier | 35.0x |
None | Integrated Graphics | None |
No | Overclockable | Yes |