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£158.88
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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 i5-8400
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
Advantages of Intel Core i9-9940X
- Performs up to 0% better in Dishonored 2 than Core i5-8400 - 266 vs 265 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 28 vs 6 threads
Dishonored 2
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-8400
Desktop • Oct 5th, 2017
FPS
265
99%
Value, £/FPS
£0.6/FPS
100%
Price, £
£158.88
100%
Value Winner
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £158.88 on Amazon
In Stock
Updated 432 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-9940X
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i9-9940X |
|---|---|---|
| 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 | 14 |
| 6 | Threads | 28 |
| 2.8 GHz | Base Clock Speed | 3.3 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.4 GHz |
65 W | TDP | 165 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 33.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
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