Buy on Amazon
£1,099.99
In Stock
AvailabilityMSRP $499
Availability
MSRP $499
No items available
AvailabilityMSRP $549
Availability
MSRP $549
Key Differences
In short — Ryzen 9 7900X outperforms Ryzen 9 3900X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 7900X is 1178 days newer than Ryzen 9 3900X.
Advantages of Ryzen 9 3900X
- Consumes up to 38% less energy than AMD Ryzen 9 7900X - 105 vs 170 Watts
Advantages of Ryzen 9 7900X
- Performs up to 71% better in League of Legends than Ryzen 9 3900X - 402 vs 235 FPS
- Works without a dedicated GPU, while AMD Ryzen 9 3900X doesn't have integrated graphics
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Ryzen 9 7900X
Desktop • Sep 27th, 2022
FPS
402
100%
Value, £/FPS
£2.74/FPS
100%
Price, £
£1099.99
100%
FPS and Value Winner
NGTEK AMD Ryzen 9 7900X 12-Core, 24-Thread Unlocked Desktop Processor Bundle With ASUS ROG Crosshair X670E Hero (WiFi 6E)
Buy for £1,099.99 on Amazon
In Stock
Updated 189 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Very High
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Ryzen 9 7900X
Desktop • Sep 27th, 2022
Geekbench 5 Benchmarks
Ryzen 9 3900X | vs | Ryzen 9 7900X |
|---|---|---|
| Jul 7th, 2019 | Release Date | Sep 27th, 2022 |
| Ryzen 9 | Collection | Ryzen 9 |
| Matisse | Codename | Raphael |
| AMD Socket AM4 | Socket | AMD Socket AM5 |
Desktop | Segment | Desktop |
| 12 | Cores | 12 |
| 24 | Threads | 24 |
| 3.8 GHz | Base Clock Speed | 4.7 GHz |
| 4.6 GHz | Turbo Clock Speed | 5.6 GHz |
105 W | TDP | 170 W |
| 7 nm | Process Size | 5 nm |
| 38.0x | Multiplier | 47.0x |
| None | Integrated Graphics | Radeon Graphics |
| Yes | Overclockable | Yes |
PC Builds Using Ryzen 9 3900X or Ryzen 9 7900X
With selected game settings
384 FPS
£3.25/FPS
GeForce RTX 3070
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
£1,249
In Stock
395 FPS
£9.49/FPS
GeForce RTX 4080
Ryzen 9 7900X
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£3,749.95
In Stock
395 FPS
£10.43/FPS
GeForce RTX 4080
Ryzen 9 7900X
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£4,119.95
In Stock
221 FPS
£16.33/FPS
GeForce RTX 3090
Ryzen 9 3900X
16 GB, 1 TB HDD
Buy on Amazon
£3,610
In Stock
221 FPS
£15.9/FPS
GeForce RTX 3090
Ryzen 9 3900X
16 GB, N/A Storage
Buy on Amazon
£3,515
In Stock
221 FPS
£16.45/FPS
GeForce RTX 3090
Ryzen 9 3900X
16 GB, 2 TB HDD
Buy on Amazon
£3,635
In Stock
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