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Key Differences
In short — Core i9-9940X outperforms Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-9940X is 379 days newer than Core i5-8400.
Advantages of Intel Core i9-9940X
- Performs up to 13% better in League of Legends than Core i5-8400 - 179 vs 158 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 28 vs 6 threads
Advantages of Intel Core i5-8400
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Intel Core i5-8400 Processore 9 MB di cache fino a 4.00 GHz
Buy for €148.87 on Amazon
In Stock
Updated 74576 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i9-9940X
Desktop • Oct 19th, 2018
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
92.73474982864977%
Multi-Core
4748
44.23327743618409%
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 |
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