The Core i5-8400 is at least 2x slower gaming CPU than the Ryzen 9 9900X, however, it's a better value for money, as it's $252.90 cheaper!
Advantages of the Core i5-8400
- Up to 68% cheaper – $120.00 vs $372.90
- A better value for money for gaming
- Consumes up to 46% less energy – 65 vs 120 Watts
Advantages of the Ryzen 9 9900X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 24 vs 6 threads
Core i5-8400 vs Ryzen 9 9900X for Gaming
The CPU's performance in selected game and settings
Ryzen 9 9900X
Aug 15th, 2024
Average FPS
560
100%
Min 1% FPS
351
100%
Price, $
$372.9
32%
Value, $/FPS
$0.66/FPS
61%
Core i5-8400 vs Ryzen 9 9900X 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 Ryzen 9 9900X in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400 vs Ryzen 9 9900X in core CPU performance specifications
Core i5-8400
Oct 5th, 2017
Cores
6-core
50%
L3 Cache
9 MB
14%
Base Frequency
2.8 GHz
64%
Turbo Frequency
4 GHz
71%
Max. DDR4 RAM Speed
2666 MHz
48%
Ryzen 9 9900X
Aug 15th, 2024
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
4.4 GHz
100%
Turbo Frequency
5.6 GHz
100%
Max. DDR5 RAM Speed
5600 MHz
100%
Specifications
Comparison of all specifications
Core i5-8400 | SpecificationsComparison of all specifications | Ryzen 9 9900X |
---|---|---|
General | ||
Oct 5th, 2017 | Release Date | Aug 15th, 2024 |
$1.82 | MSRP | $4.99 |
Desktop | Segment | Desktop |
Intel Socket 1151 | Socket | AMD Socket AM5 |
Coffee Lake | Codename | Granite Ridge |
65 W | Power Consumption | 120 W |
Performance | ||
6 | Cores | 12 |
6 | Threads | 24 |
2.8 GHz | Base Frequency | 4.4 GHz |
4.0 GHz | Turbo Frequency | 5.6 GHz |
9 MB | L3 Cache | 64 MB |
Other Features | ||
DDR4 @ 2666 MHz | RAM | DDR5 @ 5600 MHz |
UHD Graphics 630 | Integrated Graphics | Radeon Graphics |
No | Overclockable | Yes |