The Core i9-7940X is a slightly faster gaming CPU than the Core i5-9400F, however, it's a much worse value for money, as it's $310.82 more expensive!
Advantages of the Core i9-7940X
- A slightly faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 28 vs 6 threads
Advantages of the Core i5-9400F
- Up to 77% cheaper – $94.59 vs $405.41
- A much better value for money for gaming
- Consumes up to 61% less energy – 65 vs 165 Watts
Core i9-7940X vs Core i5-9400F for Gaming
The CPU's performance in selected game and settings
Core i9-7940X
Sep 1st, 2017
Average FPS
187
100%
Min 1% FPS
124
100%
Price, €
€405.41
23%
Value, €/FPS
€2.16/FPS
23%
Core i5-9400F
Jan 8th, 2019
Average FPS
186
99%
Min 1% FPS
123
99%
Price, €
€94.59
100%
Value, €/FPS
€0.5/FPS
100%
Core i9-7940X vs Core i5-9400F in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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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
4.3 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
95%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i9-7940X | SpecificationsComparison of all specifications | Core i5-9400F |
|---|---|---|
| General | ||
| Sep 1st, 2017 | Release Date | Jan 8th, 2019 |
| $1,399.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
| Skylake | Codename | Coffee Lake |
| 165 W | Power Consumption | 65 W |
| Performance | ||
14 | Cores | 6 |
28 | Threads | 6 |
3.1 GHz | Base Frequency | 2.9 GHz |
4.3 GHz | Turbo Frequency | 4.1 GHz |
19.25 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | No |
Yes | Overclockable | No |
