The Ryzen 9 7900X is a much faster gaming CPU than the Ryzen 7 8840U. We cannot compare value as at least one CPU is out of stock.
Advantages of the Ryzen 9 7900X
- A much faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 24 vs 16 threads
Advantages of the Ryzen 7 8840U
- Consumes up to 84% less energy – 28 vs 170 Watts
Ryzen 9 7900X vs Ryzen 7 8840U for Gaming
The CPU's performance in selected game and settings
Ryzen 9 7900X
Sep 27th, 2022
Average FPS
220
100%
Min 1% FPS
144
100%
Price, £
£929.89
100%
Value, £/FPS
£4.22/FPS
100%
Ryzen 7 8840U
Dec 6th, 2023
Average FPS
203
92%
Min 1% FPS
134
93%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Ryzen 9 7900X vs Ryzen 7 8840U 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 7900X vs Ryzen 7 8840U in synthetic CPU benchmarks
Performance Specifications
The Ryzen 9 7900X vs Ryzen 7 8840U in core CPU performance specifications
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
93%
Ryzen 7 8840U
Dec 6th, 2023
Cores
8-core
67%
L3 Cache
16 MB
25%
Base Frequency
3.3 GHz
70%
Turbo Frequency
5.1 GHz
91%
Max. DDR5 RAM Speed
5600 MHz
100%
Specifications
Comparison of all specifications
Ryzen 9 7900X | SpecificationsComparison of all specifications | Ryzen 7 8840U |
|---|---|---|
| General | ||
| Sep 27th, 2022 | Release Date | Dec 6th, 2023 |
| $549.00 | MSRP | Not Available |
Desktop | Segment | Laptop |
| AMD Socket AM5 | Socket | AMD Socket FP8 |
| Raphael | Codename | Not Available |
| 170 W | Power Consumption | 28 W |
| Performance | ||
12 | Cores | 8 |
24 | Threads | 16 |
4.7 GHz | Base Frequency | 3.3 GHz |
5.6 GHz | Turbo Frequency | 5.1 GHz |
64 MB | L3 Cache | 16 MB |
| Other Features | ||
| DDR5 @ 5200 MHz | RAM | DDR5 @ 5600 MHz |
| Radeon Graphics | Integrated Graphics | Radeon 780M |
Yes | Overclockable | No |
