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 2% better in Far Cry 3 than Core i5-8400 - 144 vs 141 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 87% cheaper than Core i9-9940X - $95.59 vs $709.77
- Up to 86% better value when playing Far Cry 3 than Core i9-9940X - $0.75 vs $5.47 per FPS
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
Far Cry 3
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Oct 19th, 2018
FPS
144
100%
Value, €/FPS
€5.47/FPS
13%
Price, €
€787.84
13%
FPS Winner
Buy for €787.84 on Amazon
In Stock
Updated 170 minutes ago
Desktop • Oct 5th, 2017
FPS
141
97%
Value, €/FPS
€0.75/FPS
100%
Price, €
€106.1
100%
Value Winner
Buy for €106.1 on Amazon
In Stock
Updated 170 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
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 |