Key Differences
In short — Core i5-12400 outperforms Core i9-9940X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-12400 is 1173 days newer than Core i9-9940X.
Advantages of Intel Core i9-9940X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-12400 - 28 vs 12 threads
Advantages of Intel Core i5-12400
- Performs up to 2% better in Stray than Core i9-9940X - 188 vs 184 FPS
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i9-9940X doesn't have integrated graphics
Stray
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i9-9940X
Desktop • Oct 19th, 2018
Core i5-12400
Desktop • Jan 4th, 2022
Geekbench 5 Benchmarks
Intel Core i9-9940X | vs | Intel Core i5-12400 |
|---|---|---|
| Oct 19th, 2018 | Release Date | Jan 4th, 2022 |
| Core i9 | Collection | Core i5 |
| Skylake | Codename | Alder Lake |
| Intel Socket 2066 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
14 | Cores | 6 |
28 | Threads | 12 |
3.3 GHz | Base Clock Speed | 2.5 GHz |
| 4.4 GHz | Turbo Clock Speed | 4.4 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 10 nm |
33.0x | Multiplier | 25.0x |
| None | Integrated Graphics | UHD Graphics 730 |
Yes | Overclockable | No |
