The Ryzen 9 3900 is a much slower gaming CPU than the Ryzen 9 7900X. We cannot compare value as at least one CPU is out of stock.
Advantages of the Ryzen 9 3900
- Consumes up to 62% less energy – 65 vs 170 Watts
Advantages of the Ryzen 9 7900X
- At least 2x faster CPU for gaming
- Can run games without a dedicated GPU as it has integrated graphics
Ryzen 9 3900 vs Ryzen 9 7900X for Gaming
The CPU's performance in selected game and settings
Ryzen 9 3900
Sep 24th, 2019
Average FPS
191
87%
Min 1% FPS
127
88%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Ryzen 9 7900X
Sep 27th, 2022
Average FPS
220
100%
Min 1% FPS
144
100%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Ryzen 9 3900 vs Ryzen 9 7900X 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 Ryzen 9 3900 vs Ryzen 9 7900X in synthetic CPU benchmarks
Performance Specifications
The Ryzen 9 3900 vs Ryzen 9 7900X in core CPU performance specifications
Ryzen 9 3900
Sep 24th, 2019
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
3.1 GHz
66%
Turbo Frequency
4.3 GHz
77%
Max. DDR4 RAM Speed
3200 MHz
62%
Ryzen 9 7900X
Sep 27th, 2022
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
4.7 GHz
100%
Turbo Frequency
5.6 GHz
100%
Max. DDR5 RAM Speed
5200 MHz
100%
Specifications
Comparison of all specifications
Ryzen 9 3900 | SpecificationsComparison of all specifications | Ryzen 9 7900X |
|---|---|---|
| General | ||
| Sep 24th, 2019 | Release Date | Sep 27th, 2022 |
$499.00 | MSRP | $549.00 |
Desktop | Segment | Desktop |
| AMD Socket AM4 | Socket | AMD Socket AM5 |
| Matisse | Codename | Raphael |
65 W | Power Consumption | 170 W |
| Performance | ||
| 12 | Cores | 12 |
| 24 | Threads | 24 |
| 3.1 GHz | Base Frequency | 4.7 GHz |
| 4.3 GHz | Turbo Frequency | 5.6 GHz |
| 64 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR4 @ 3200 MHz | RAM | DDR5 @ 5200 MHz |
| No | Integrated Graphics | Radeon Graphics |
| Yes | Overclockable | Yes |
