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£1,099.99
In Stock
Availability
Availability
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AvailabilityMSRP $549
Availability
MSRP $549
Key Differences
In short — Ryzen 9 7900X outperforms Ryzen 7 7840U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 7900X is 241 days older than Ryzen 7 7840U.
Advantages of Ryzen 7 7840U
- Consumes up to 84% less energy than AMD Ryzen 9 7900X - 28 vs 170 Watts
Advantages of Ryzen 9 7900X
- Performs up to 6% better in Forza Horizon 4 than Ryzen 7 7840U - 343 vs 324 FPS
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 7 7840U - 24 vs 16 threads
Forza Horizon 4
Resolution
1920 x 1080
Game Graphics
Max
Ryzen 9 7900X
Desktop • Sep 27th, 2022
FPS
343
100%
Value, £/FPS
£3.21/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 122 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Max
Ryzen 7 7840U
Mobile • May 26th, 2023
Ryzen 9 7900X
Desktop • Sep 27th, 2022
Geekbench 5 Benchmarks
Ryzen 7 7840U | vs | Ryzen 9 7900X |
|---|---|---|
May 26th, 2023 | Release Date | Sep 27th, 2022 |
| Ryzen 7 | Collection | Ryzen 9 |
| Not Available | Codename | Raphael |
| AMD Socket FP8 | Socket | AMD Socket AM5 |
Mobile | Segment | Desktop |
| 8 | Cores | 12 |
| 16 | Threads | 24 |
| 3.3 GHz | Base Clock Speed | 4.7 GHz |
| 5.1 GHz | Turbo Clock Speed | 5.6 GHz |
28 W | TDP | 170 W |
4 nm | Process Size | 5 nm |
| 33.0x | Multiplier | 47.0x |
| Radeon 780M | Integrated Graphics | Radeon Graphics |
| No | Overclockable | Yes |
PCs Using Ryzen 7 7840U or Ryzen 9 7900X
With selected game settings
257 FPS
£4.86/FPS
32 GB, 1 TB SSD
Buy on Amazon
£1,249
In Stock
329 FPS
£11.4/FPS
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£3,749.95
In Stock
329 FPS
£12.52/FPS
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£4,119.95
In Stock
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