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Key Differences
In short — Core i9-9940X 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 i9-9940X is 81 days older than Core i5-9400F.
Advantages of Intel Core i9-9940X
- Performs up to 1% better in No Man's Sky than Core i5-9400F - 176 vs 174 FPS
- 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 i9-9940X - 65 vs 165 Watts
No Man's Sky
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$179.13 on Amazon
In Stock
Updated 196 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
Core i5-9400F
Desktop • Jan 8th, 2019
Geekbench 5 Benchmarks
Core i5-9400F
Desktop • Jan 8th, 2019
Single-Core
1378
94.44825222755313%
Multi-Core
4834
45.034469908701325%
Intel Core i9-9940X | vs | Intel Core i5-9400F |
|---|---|---|
| Oct 19th, 2018 | 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 |
3.3 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 | None |
Yes | Overclockable | No |
Builds Using Core i9-9940X or Core i5-9400F
No Man's Sky, 1920 x 1080, Ultra
55 FPS
CA$12.58/FPS
Radeon RX 580
Core i5-9400F
16 GB, N/A Storage
Buy on Amazon
CA$691.99
In Stock
64 FPS
CA$31.25/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 120 GB SSD + 1 TB HDD
Buy on Amazon
CA$1,999.99
In Stock
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