Buy on Amazon
$425
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-7940X outperforms the cheaper Core i5-9400F on the selected game parameters. However, the worse performing Core i5-9400F is a better bang for your buck. The better performing Core i9-7940X is 494 days older than the cheaper Core i5-9400F.
Advantages of Intel Core i9-7940X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400F - 28 vs 6 threads
Advantages of Intel Core i5-9400F
- Up to 74% cheaper than Core i9-7940X - $112.0 vs $425.0
- Up to 74% better value when playing Cities: Skylines II than Core i9-7940X - $4.15 vs $15.74 per FPS
- Consumes up to 61% less energy than Intel Core i9-7940X - 65 vs 165 Watts
Cities: Skylines II
Resolution
1920 x 1080
Game Graphics
High
Core i9-7940X
Desktop • Sep 1st, 2017
FPS
27
100%
Value, $/FPS
$15.74/FPS
26.365946632782723%
Price, $
$425
26%
Intel Core i9-7940X X-Series Processor 14 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 165W
Buy for $425 on Amazon
In Stock
Updated 348670 minutes ago
Intel® Core™ i5-9400F Desktop Processor 6 Cores 4.1 GHz Turbo Without Graphics
Buy for $112 on Amazon
In Stock
Updated 348670 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i9-7940X
Desktop • Sep 1st, 2017
Core i5-9400F
Desktop • Jan 8th, 2019
Geekbench 5 Benchmarks
Intel Core i9-7940X | vs | Intel Core i5-9400F |
|---|---|---|
| Sep 1st, 2017 | Release Date | Jan 8th, 2019 |
| 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 | 2.9 GHz |
4.3 GHz | Turbo Clock Speed | 4.1 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
31.0x | Multiplier | 29.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i9-7940X or Core i5-9400F
Cities: Skylines II, 1920 x 1080, High
1 FPS
$1126.99/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 120 GB SSD + 1 TB HDD
Buy on Amazon
$1,126.99
In Stock
1 FPS
$1169.99/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 240 GB SSD + 1 TB HDD
Buy on Amazon
$1,169.99
In Stock
1 FPS
$699/FPS
GeForce GTX 1650
Core i5-9400F
8 GB, 512 GB SSD
Buy on Amazon
$699
In Stock
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