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Key Differences
In short — Core i5-9400 outperforms Core i9-7940X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-9400 is 413 days newer than Core i9-7940X.
Advantages of Intel Core i9-7940X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 28 vs 6 threads
Advantages of Intel Core i5-9400
- Performs up to 0% better in F1 23 than Core i9-7940X - 218 vs 217 FPS
- Consumes up to 61% less energy than Intel Core i9-7940X - 65 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i9-7940X doesn't have integrated graphics
F1 23
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i5-9400
Desktop • Oct 19th, 2018
FPS
218
100%
Value, £/FPS
£0.87/FPS
100%
Price, £
£188.88
100%
FPS and Value Winner
Processor core i5 lga 1151 intel bx80684i59400 hexa core i5-9400
Buy for £188.88 on Amazon
In Stock
Updated 49 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i9-7940X
Desktop • Sep 1st, 2017
Core i5-9400
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i9-7940X | vs | Intel Core i5-9400 |
|---|---|---|
| Sep 1st, 2017 | Release Date | Oct 19th, 2018 |
| 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 |
3.1 GHz | Base Clock Speed | 2.9 GHz |
4.3 GHz | Turbo Clock Speed | 4.1 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
31.0x | Multiplier | 29.0x |
| None | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |
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