In Rust, the Core i9-7940X is slightly faster than the Core i5-9400F. We cannot compare value as at least one CPU is out of stock.
Core i9-7940X
- Up to 3% faster in Rust – 233 vs 226 FPS
- Up to 3% faster in Rust
Core i5-9400F
- Is 1 year and 4 months newer – Jan 08, 2019 vs Sep 01, 2017
- Is 1 year and 4 months newer
- Consumes up to 61% less energy – 65 vs 165 Watts
- Consumes up to 61% less energy
Rust FPS Calculator
Core i9-7940X vs Core i5-9400F: Comparison of performance and price
All items are out of stock
Core i5-9400F
Jan 8th, 2019
Average FPS
226 FPS
97%
Min 1% FPS
55 FPS
93%
Price, $
$119.99
100%
Value, $/FPS
$0.53/FPS
100%
Synthetic Benchmarks
The Core i9-7940X vs Core i5-9400F in synthetic CPU benchmarks
Performance Specifications
The Core i9-7940X vs Core i5-9400F in core CPU performance specifications
Core i9-7940X
Sep 1st, 2017
Cores
14-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.1 GHz
100%
Turbo Frequency
4.4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-9400F
Jan 8th, 2019
Cores
6-core
43%
L3 Cache
9 MB
47%
Base Frequency
2.9 GHz
94%
Turbo Frequency
4.1 GHz
93%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of core specifications
Core i9-7940X Sep 1st, 2017 | SpecificationsComparison of core specifications | Core i5-9400F Jan 8th, 2019 |
|---|---|---|
| General | ||
| Sep 1st, 2017 | Released | Jan 8th, 2019 |
| $1,399.00 | MSRP | – |
Desktop | Segment | Desktop |
| LGA2066 | Socket | LGA1151 |
| 165 W | Power Consumption | 65 W |
| Other Features | ||
| 2666 MHz (DDR4) | RAM | 2666 MHz (DDR4) |
| No Integrated Graphics | Integrated GPU | No Integrated Graphics |
Overclockable | Overclock Support | Not Overclockable |
