The Core i5-6400 is a much slower gaming CPU than the Ryzen 9 3900X, however, it's a much better value for money, as it's $277.61 cheaper!
Advantages of the Core i5-6400
- Up to 84% cheaper – $51.22 vs $328.83
- A much better value for money for gaming
- Consumes up to 38% less energy – 65 vs 105 Watts
- Has an integrated GPU, while the Ryzen 9 3900X cannot run games without a dedicated GPU
Advantages of the Ryzen 9 3900X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 24 vs 4 threads
Core i5-6400 vs Ryzen 9 3900X for Gaming
The CPU's performance in selected game and settings
Core i5-6400
Jul 2nd, 2015
Average FPS
180
94%
Min 1% FPS
120
94%
Price, €
€51.22
100%
Value, €/FPS
€0.28/FPS
100%
Ryzen 9 3900X
Jul 7th, 2019
Average FPS
192
100%
Min 1% FPS
127
100%
Price, €
€328.83
15%
Value, €/FPS
€1.71/FPS
16%
Core i5-6400 vs Ryzen 9 3900X in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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Synthetic Benchmarks
The Core i5-6400 vs Ryzen 9 3900X in synthetic CPU benchmarks
Performance Specifications
The Core i5-6400 vs Ryzen 9 3900X in core CPU performance specifications
Core i5-6400
Jul 2nd, 2015
Cores
4-core
33%
L3 Cache
6 MB
9%
Base Frequency
2.7 GHz
71%
Turbo Frequency
3.3 GHz
72%
Max. DDR4 RAM Speed
2133 MHz
67%
Ryzen 9 3900X
Jul 7th, 2019
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
3.8 GHz
100%
Turbo Frequency
4.6 GHz
100%
Max. DDR4 RAM Speed
3200 MHz
100%
Specifications
Comparison of all specifications
Core i5-6400 | SpecificationsComparison of all specifications | Ryzen 9 3900X |
|---|---|---|
| General | ||
| Jul 2nd, 2015 | Release Date | Jul 7th, 2019 |
$182.00 | MSRP | $499.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | AMD Socket AM4 |
| Skylake | Codename | Matisse |
65 W | Power Consumption | 105 W |
| Performance | ||
| 4 | Cores | 12 |
| 4 | Threads | 24 |
| 2.7 GHz | Base Frequency | 3.8 GHz |
| 3.3 GHz | Turbo Frequency | 4.6 GHz |
| 6 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR4 @ 2133 MHz | RAM | DDR4 @ 3200 MHz |
HD Graphics 530 | Integrated Graphics | No |
| No | Overclockable | Yes |
