Buy on Amazon
$385
In Stock
Availability
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Key Differences
In short — Core i9-7940X 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 i9-7940X is 34 days older than the cheaper Core i5-8400.
Advantages of Intel Core i9-7940X
- Performs up to 0% better in Valorant than Core i5-8400 - 772 vs 770 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 69% cheaper than Core i9-7940X - $120.0 vs $385.0
- Up to 68% better value when playing Valorant than Core i9-7940X - $0.16 vs $0.5 per FPS
- Consumes up to 61% less energy than Intel Core i9-7940X - 65 vs 165 Watts
Valorant
Resolution
1920 x 1080
Game Graphics
High
Intel Core i9-7940X X-Series Processor 14 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 165W
Buy for $385 on Amazon
In Stock
Updated 127 minutes ago
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $120 on Amazon
In Stock
Updated 127 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i9-7940X
Desktop • Sep 1st, 2017
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i9-7940X | vs | Intel Core i5-8400 |
|---|---|---|
| Sep 1st, 2017 | 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 |
3.1 GHz | Base Clock Speed | 2.8 GHz |
4.3 GHz | Turbo Clock Speed | 4.0 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
31.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i9-7940X or Core i5-8400
Valorant, 1920 x 1080, High
374 FPS
$2.27/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
In Stock
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