The Core i5-8400 is a slightly slower gaming CPU than the Core i9-10900X, however, it's a much better value for money, as it's $479.05 cheaper!
Advantages of the Core i5-8400
- Up to 85% cheaper – $85.95 vs $565.00
- A much better value for money for gaming
- Consumes up to 61% less energy – 65 vs 165 Watts
- Has an integrated GPU, while the Core i9-10900X cannot run games without a dedicated GPU
Advantages of the Core i9-10900X
- A faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 20 vs 6 threads
Core i5-8400 vs Core i9-10900X for Gaming
The CPU's performance in selected game and settings
Core i5-8400
Oct 5th, 2017
Average FPS
185
97%
Min 1% FPS
123
98%
Price, $
$85.95
100%
Value, $/FPS
$0.46/FPS
100%
Core i9-10900X
Oct 19th, 2019
Average FPS
190
100%
Min 1% FPS
125
100%
Price, $
$565
15%
Value, $/FPS
$2.97/FPS
15%
Core i5-8400 vs Core i9-10900X in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
Add a Game
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Synthetic Benchmarks
The Core i5-8400 vs Core i9-10900X in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400 vs Core i9-10900X in core CPU performance specifications
Core i5-8400
Oct 5th, 2017
Cores
6-core
60%
L3 Cache
9 MB
47%
Base Frequency
2.8 GHz
76%
Turbo Frequency
4 GHz
89%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i9-10900X
Oct 19th, 2019
Cores
10-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.7 GHz
100%
Turbo Frequency
4.5 GHz
100%
Max. DDR4 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i5-8400 | SpecificationsComparison of all specifications | Core i9-10900X |
|---|---|---|
| General | ||
| Oct 5th, 2017 | Release Date | Oct 19th, 2019 |
| $182.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
| Coffee Lake | Codename | Cascade Lake |
65 W | Power Consumption | 165 W |
| Performance | ||
| 6 | Cores | 10 |
| 6 | Threads | 20 |
| 2.8 GHz | Base Frequency | 3.7 GHz |
| 4.0 GHz | Turbo Frequency | 4.5 GHz |
| 9 MB | L3 Cache | 19.25 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 |
UHD Graphics 630 | Integrated Graphics | No |
| No | Overclockable | Yes |
