The Core i5-8400 is a slower gaming CPU than the Core i9-9900KF, however, it's a much better value for money, as it's $234.00 cheaper!
Advantages of the Core i5-8400
- Up to 78% cheaper – $65.00 vs $299.00
- A much better value for money for gaming
- Consumes up to 32% less energy – 65 vs 95 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Core i9-9900KF
- A much faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads
Core i5-8400 vs Core i9-9900KF for Gaming
The CPU's performance in selected game and settings
Core i9-9900KF
Jan 8th, 2019
Average FPS
192
100%
Min 1% FPS
127
100%
Price, $
$299
21%
Value, $/FPS
$1.55/FPS
23%
Core i5-8400 vs Core i9-9900KF 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 i5-8400 vs Core i9-9900KF in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400 vs Core i9-9900KF in core CPU performance specifications
Core i5-8400
Oct 5th, 2017
Cores
6-core
75%
L3 Cache
9 MB
56%
Base Frequency
2.8 GHz
78%
Turbo Frequency
4 GHz
80%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i9-9900KF
Jan 8th, 2019
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%
Specifications
Comparison of all specifications
Core i5-8400 | SpecificationsComparison of all specifications | Core i9-9900KF |
|---|---|---|
| General | ||
| Oct 5th, 2017 | Release Date | Jan 8th, 2019 |
$182.00 | MSRP | $488.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
| Coffee Lake | Codename | Coffee Lake |
65 W | Power Consumption | 95 W |
| Performance | ||
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.8 GHz | Base Frequency | 3.6 GHz |
| 4.0 GHz | Turbo Frequency | 5.0 GHz |
| 9 MB | L3 Cache | 16 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
UHD Graphics 630 | Integrated Graphics | No |
| No | Overclockable | Yes |
