Buy on Amazon
£339
In Stock
AvailabilityMSRP in USD: $549
Availability
MSRP in USD: $549
AvailabilityMSRP in USD: $499
Availability
MSRP in USD: $499
Key Differences
In short, we have a clear winner — Ryzen 9 7900X outperforms the more expensive Ryzen 9 3900XT on the selected game parameters, and is also a better bang for your buck! The better performing Ryzen 9 7900X is 812 days newer than the more expensive Ryzen 9 3900XT.
Advantages of AMD Ryzen 9 7900X
- Performs up to 7% better in Assassin's Creed Valhalla than Ryzen 9 3900XT - 203 vs 189 FPS
- Up to 32% cheaper than Ryzen 9 3900XT - £339.0 vs £499.0
- Up to 37% better value when playing Assassin's Creed Valhalla than Ryzen 9 3900XT - £1.67 vs £2.64 per FPS
- Works without a dedicated GPU, while AMD Ryzen 9 3900XT doesn't have integrated graphics
Advantages of AMD Ryzen 9 3900XT
- Consumes up to 38% less energy than AMD Ryzen 9 7900X - 105 vs 170 Watts
Assassin's Creed Valhalla
Resolution
1920 x 1080
Game Graphics
Ultra High
Ryzen 9 7900X
Desktop • Sep 27th, 2022
FPS
203
100%
Value, £/FPS
£1.67/FPS
100%
Price, £
£339
100%
FPS and Value Winner
AMD Ryzen 9 7900X Retail, Noir, (AM5/12 Core/4.7GHz/76MB/170W/Radeon) - 100-000000589
Buy for £339 on Amazon
In Stock
Updated 229 minutes ago
AMD Ryzen™ 9 3900XT Processor (12C/24T, 70MB Cache, Up to 4.7 GHz Max Boost) – Without Cooler
Buy for £499 on Amazon
In Stock
Updated 0 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Ryzen 9 7900X
Desktop • Sep 27th, 2022
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
Geekbench 5 Benchmarks
AMD Ryzen 9 7900X | vs | AMD Ryzen 9 3900XT |
|---|---|---|
Sep 27th, 2022 | Release Date | Jul 7th, 2020 |
| Ryzen 9 | Collection | Ryzen 9 |
| Raphael | Codename | Matisse |
| AMD Socket AM5 | Socket | AMD Socket AM4 |
Desktop | Segment | Desktop |
| 12 | Cores | 12 |
| 24 | Threads | 24 |
4.7 GHz | Base Clock Speed | 3.8 GHz |
5.6 GHz | Turbo Clock Speed | 4.7 GHz |
| 170 W | TDP | 105 W |
5 nm | Process Size | 7 nm |
47.0x | Multiplier | 39.0x |
Radeon Graphics | Integrated Graphics | None |
| Yes | Overclockable | Yes |
Builds Using Ryzen 9 7900X or Ryzen 9 3900XT
Assassin's Creed Valhalla, 1920 x 1080, Ultra High
107 FPS
£13.22/FPS
GeForce RTX 4060 Ti 8 GB
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
£1,414.8
In Stock
83 FPS
£15.28/FPS
GeForce RTX 3060
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
£1,268.4
In Stock
172 FPS
£12.31/FPS
GeForce RTX 4080
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
£2,118
In Stock
128 FPS
£12.35/FPS
GeForce RTX 4070
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
£1,580.4
In Stock
150 FPS
£10.99/FPS
GeForce RTX 4070 Ti
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
£1,648.8
In Stock
172 FPS
£23.95/FPS
GeForce RTX 4080
Ryzen 9 7900X
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£4,119.95
In Stock
172 FPS
£21.8/FPS
GeForce RTX 4080
Ryzen 9 7900X
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£3,749.95
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
