The Core i5-9400 is a clear winner – it's a slightly faster gaming CPU than the Core i9-7920X and it's also a much better value for money, as it's $105.99 cheaper!
Advantages of the Core i5-9400
- A slightly faster CPU for gaming
- Up to 59% cheaper – $74.00 vs $179.99
- A much better value for money for gaming
- Consumes up to 54% less energy – 65 vs 140 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Core i9-7920X
- Can execute more multi-threaded tasks simultaneously – 24 vs 6 threads
Core i5-9400 vs Core i9-7920X
The CPU's performance in selected game and settings
Core i5-9400
Oct 19th, 2018
Average FPS
205
100%
Min 1% FPS
143
100%
Price, $
$74
100%
Value, $/FPS
$0.36/FPS
100%
Core i9-7920X
Sep 10th, 2017
Average FPS
205
100%
Min 1% FPS
142
99%
Price, $
$179.99
41%
Value, $/FPS
$0.87/FPS
41%
Core i5-9400 vs Core i9-7920X in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
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Synthetic Benchmarks
The Core i5-9400 vs Core i9-7920X in synthetic CPU benchmarks
Performance Specifications
The Core i5-9400 vs Core i9-7920X in core CPU performance specifications
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
93%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i9-7920X
Sep 10th, 2017
Cores
12-core
100%
L3 Cache
16.5 MB
100%
Base Frequency
2.9 GHz
100%
Turbo Frequency
4.4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i5-9400 | SpecificationsComparison of all specifications | Core i9-7920X |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | Sep 10th, 2017 |
| Not Available | MSRP | $1,199.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
| Coffee Lake | Codename | Skylake-X |
65 W | Power Consumption | 140 W |
| Performance | ||
| 6 | Cores | 12 |
| 6 | Threads | 24 |
| 2.9 GHz | Base Frequency | 2.9 GHz |
| 4.1 GHz | Turbo Frequency | 4.4 GHz |
| 9 MB | L3 Cache | 16.5 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
UHD 630 | Integrated Graphics | No |
| No | Overclockable | Yes |
