The Core i9-7920X is the comparison's loser – it's a slightly slower gaming CPU than the Core i5-9400 and it's also a slightly worse value for money, as it's $9.31 more expensive!
Advantages of the Core i9-7920X
- Can execute more multi-threaded tasks simultaneously – 24 vs 6 threads
Advantages of the Core i5-9400
- A slightly faster CPU for gaming
- Up to 6% cheaper – $135.69 vs $145.00
- A slightly better value for money for gaming
- Consumes up to 54% less energy – 65 vs 140 Watts
- Has an integrated GPU, while the Core i9-7920X cannot run games without a dedicated GPU
Core i9-7920X vs Core i5-9400 for Gaming
The CPU's performance in selected game and settings
Core i9-7920X
Sep 10th, 2017
Average FPS
185
99%
Min 1% FPS
123
100%
Price, $
$145
93%
Value, $/FPS
$0.78/FPS
92%
Core i5-9400
Oct 19th, 2018
Average FPS
186
100%
Min 1% FPS
123
100%
Price, $
$135.69
100%
Value, $/FPS
$0.72/FPS
100%
Core i9-7920X vs Core i5-9400 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 i9-7920X vs Core i5-9400 in synthetic CPU benchmarks
Performance Specifications
The Core i9-7920X vs Core i5-9400 in core CPU performance specifications
Core i9-7920X
Sep 10th, 2017
Cores
12-core
100%
L3 Cache
16.5 MB
100%
Base Frequency
2.9 GHz
100%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-9400
Oct 19th, 2018
Cores
6-core
50%
L3 Cache
9 MB
55%
Base Frequency
2.9 GHz
100%
Turbo Frequency
4.1 GHz
95%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i9-7920X | SpecificationsComparison of all specifications | Core i5-9400 |
|---|---|---|
| General | ||
| Sep 10th, 2017 | Release Date | Oct 19th, 2018 |
| $1,199.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
| Skylake | Codename | Coffee Lake |
| 140 W | Power Consumption | 65 W |
| Performance | ||
12 | Cores | 6 |
24 | Threads | 6 |
| 2.9 GHz | Base Frequency | 2.9 GHz |
4.3 GHz | Turbo Frequency | 4.1 GHz |
16.5 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |
