The Ryzen 9 7900 is a clear winner – it's at least 2x faster gaming CPU than the Ryzen 9 3900X and it's also a better value for money, as it's only CA$54.17 more expensive!
Advantages of the Ryzen 9 7900
- At least 2x faster CPU for gaming
- A better value for money for gaming
- Consumes up to 38% less energy – 65 vs 105 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Ryzen 9 3900X
- Up to 9% cheaper – CA$545.00 vs CA$599.17
Ryzen 9 7900 vs Ryzen 9 3900X for Gaming
The CPU's performance in selected game and settings
Ryzen 9 7900
Jan 14th, 2023
Average FPS
218
100%
Min 1% FPS
143
100%
Price, CA$
CA$599.17
90%
Value, CA$/FPS
CA$2.74/FPS
100%
Ryzen 9 3900X
Jul 7th, 2019
Average FPS
192
88%
Min 1% FPS
127
89%
Price, CA$
CA$545
100%
Value, CA$/FPS
CA$2.83/FPS
97%
Ryzen 9 7900 vs Ryzen 9 3900X 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 7900 vs Ryzen 9 3900X in synthetic CPU benchmarks
Performance Specifications
The Ryzen 9 7900 vs Ryzen 9 3900X in core CPU performance specifications
Ryzen 9 7900
Jan 14th, 2023
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
3.7 GHz
97%
Turbo Frequency
5.4 GHz
100%
Max. DDR5 RAM Speed
5200 MHz
100%
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
85%
Max. DDR4 RAM Speed
3200 MHz
62%
Specifications
Comparison of all specifications
Ryzen 9 7900 | SpecificationsComparison of all specifications | Ryzen 9 3900X |
|---|---|---|
| General | ||
Jan 14th, 2023 | Release Date | Jul 7th, 2019 |
$429.00 | MSRP | $499.00 |
Desktop | Segment | Desktop |
| AMD Socket AM5 | Socket | AMD Socket AM4 |
| Raphael | Codename | Matisse |
65 W | Power Consumption | 105 W |
| Performance | ||
| 12 | Cores | 12 |
| 24 | Threads | 24 |
| 3.7 GHz | Base Frequency | 3.8 GHz |
5.4 GHz | Turbo Frequency | 4.6 GHz |
| 64 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR5 @ 5200 MHz | RAM | DDR4 @ 3200 MHz |
Radeon Graphics | Integrated Graphics | No |
| Yes | Overclockable | Yes |
