Key Differences
In short — Core i9-9940X 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 i9-9940X is 379 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i9-9940X
- Performs up to 1% better in F1 22 than Core i5-8400 - 276 vs 274 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 28 vs 6 threads
Advantages of Intel Core i5-8400
- Up to 84% cheaper than Core i9-9940X - $140.0 vs $870.7
- Up to 84% better value when playing F1 22 than Core i9-9940X - $0.51 vs $3.15 per FPS
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
F1 22
Resolution
1920 x 1080
Game Graphics
Ultra High
Buy for $870.7 on Amazon
In Stock
Updated 10 minutes ago
Buy for $140 on Amazon
In Stock
Updated 10 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Desktop • Oct 19th, 2018
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i9-9940X | vs | Intel Core i5-8400 |
---|---|---|
Oct 19th, 2018 | Release Date | Oct 5th, 2017 |
Core i9 | Collection | Core i5 |
Skylake | Codename | Coffee Lake |
Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
14 | Cores | 6 |
28 | Threads | 6 |
3.3 GHz | Base Clock Speed | 2.8 GHz |
4.4 GHz | Turbo Clock Speed | 4.0 GHz |
165 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
33.0x | Multiplier | 28.0x |
None | Integrated Graphics | None |
Yes | Overclockable | No |