Buy on Amazon
$130.73
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-10940X 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 i9-10940X is 744 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 83% cheaper than Core i9-10940X - $130.73 vs $780.0
- Up to 82% better value when playing The Callisto Protocol than Core i9-10940X - $1.16 vs $6.29 per FPS
- Consumes up to 61% less energy than Intel Core i9-10940X - 65 vs 165 Watts
Advantages of Intel Core i9-10940X
- Performs up to 10% better in The Callisto Protocol than Core i5-8400 - 124 vs 113 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 28 vs 6 threads
The Callisto Protocol
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
FPS
113
91%
Value, $/FPS
$1.16/FPS
100%
Price, $
$130.73
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $130.73 on Amazon
In Stock
Updated 164 minutes ago
Intel Core i9-10940X Desktop Processor 14 Cores up to 4.8GHz Unlocked LGA2066 X299 Series 165W, BX8069510940X
Buy for $780 on Amazon
In Stock
Updated 163 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-10940X
Desktop • Oct 19th, 2019
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i9-10940X |
|---|---|---|
| Oct 5th, 2017 | Release Date | Oct 19th, 2019 |
| Core i5 | Collection | Core i9 Extreme |
| Coffee Lake | Codename | Cascade Lake |
| 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 | 4.6 GHz |
65 W | TDP | 165 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 33.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
