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Key Differences
In short — Core i9-7940X outperforms Core i5-9400F on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-7940X is 494 days older than 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
- Consumes up to 61% less energy than Intel Core i9-7940X - 65 vs 165 Watts
Watch Dogs: Legion
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Core™ i5-9400F Desktop Processor 6 Cores 4.1 GHz Turbo Without Graphics - 2.9 GHz (BX80684I59400F)
Buy for CA$179.34 on Amazon
In Stock
Updated 75743 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
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
Watch Dogs: Legion, 1920 x 1080, Ultra
19 FPS
CA$35.37/FPS
Radeon RX 580
Core i5-9400F
16 GB, N/A Storage
Buy on Amazon
CA$671.99
In Stock
25 FPS
CA$73.8/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 120 GB SSD + 1 TB HDD
Buy on Amazon
CA$1,844.99
In Stock
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