The Core i9-9900K is a faster gaming CPU than the Core i5-9400, however, it's a much worse value for money, as it's $233.97 more expensive!
Advantages of the Core i9-9900K
- A faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads
Advantages of the Core i5-9400
- Up to 63% cheaper – $135.93 vs $369.90
- A much better value for money for gaming
- Consumes up to 32% less energy – 65 vs 95 Watts
Core i9-9900K vs Core i5-9400 for Gaming
The CPU's performance in selected game and settings
Core i9-9900K
Oct 19th, 2018
Average FPS
192
100%
Min 1% FPS
127
100%
Price, $
$369.9
36%
Value, $/FPS
$1.92/FPS
38%
Core i5-9400
Oct 19th, 2018
Average FPS
186
97%
Min 1% FPS
123
97%
Price, $
$135.93
100%
Value, $/FPS
$0.73/FPS
100%
Core i9-9900K vs Core i5-9400 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 i9-9900K vs Core i5-9400 in synthetic CPU benchmarks
Performance Specifications
The Core i9-9900K vs Core i5-9400 in core CPU performance specifications
Core i9-9900K
Oct 19th, 2018
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
5 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-9400
Oct 19th, 2018
Cores
6-core
75%
L3 Cache
9 MB
56%
Base Frequency
2.9 GHz
81%
Turbo Frequency
4.1 GHz
82%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i9-9900K | SpecificationsComparison of all specifications | Core i5-9400 |
|---|---|---|
| General | ||
| Oct 19th, 2018 | Release Date | Oct 19th, 2018 |
| $488.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
| Coffee Lake | Codename | Coffee Lake |
| 95 W | Power Consumption | 65 W |
| Performance | ||
8 | Cores | 6 |
16 | Threads | 6 |
3.6 GHz | Base Frequency | 2.9 GHz |
5.0 GHz | Turbo Frequency | 4.1 GHz |
16 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
| UHD Graphics 630 | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |
