Key Differences
In short — Core i9-9940X outperforms the cheaper Core i5-9400 on the selected game parameters. However, the worse performing Core i5-9400 is a better bang for your buck. The better performing Core i9-9940X and the cheaper Core i5-9400 have been released at the same time.
Advantages of Intel Core i9-9940X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 28 vs 6 threads
Advantages of Intel Core i5-9400
- Up to 83% cheaper than Core i9-9940X - $160.91 vs $970.7
- Up to 83% better value when playing Red Dead Redemption 2 than Core i9-9940X - $1.01 vs $6.11 per 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
Red Dead Redemption 2
Resolution
1920 x 1080
Game Graphics
Highest
Buy for $970.7 on Amazon
In Stock
Updated 9194 minutes ago
Desktop • Oct 19th, 2018
FPS
159
100%
Value, $/FPS
$1.01/FPS
100%
Price, $
$160.91
100%
Value Winner
Buy for $160.91 on Amazon
In Stock
Updated 9194 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Highest
Desktop • Oct 19th, 2018
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i9-9940X | vs | Intel Core i5-9400 |
---|---|---|
Oct 19th, 2018 | 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 |
3.3 GHz | Base Clock Speed | 2.9 GHz |
4.4 GHz | Turbo Clock Speed | 4.1 GHz |
165 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
33.0x | Multiplier | 29.0x |
None | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |