Buy on Amazon
$395
In Stock
Availability
Availability
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AvailabilityMSRP in USD: $499
Availability
MSRP in USD: $499
Key Differences
In short — Ryzen 9 3900X outperforms Ryzen 7 5800U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 3900X is 555 days older than Ryzen 7 5800U.
Advantages of AMD Ryzen 7 5800U
- Consumes up to 86% less energy than AMD Ryzen 9 3900X - 15 vs 105 Watts
- Works without a dedicated GPU, while AMD Ryzen 9 3900X doesn't have integrated graphics
Advantages of AMD Ryzen 9 3900X
- Performs up to 1% better in Grand Theft Auto V than Ryzen 7 5800U - 137 vs 136 FPS
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 7 5800U - 24 vs 16 threads
Grand Theft Auto V
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 9 3900X
Desktop • Jul 7th, 2019
FPS
137
100%
Value, $/FPS
$2.88/FPS
100%
Price, $
$395
100%
FPS and Value Winner
AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
Buy for $395 on Amazon
In Stock
Updated 2425 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 7 5800U
Mobile • Jan 12th, 2021
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Geekbench 5 Benchmarks
AMD Ryzen 7 5800U | vs | AMD Ryzen 9 3900X |
|---|---|---|
Jan 12th, 2021 | Release Date | Jul 7th, 2019 |
| Ryzen 7 | Collection | Ryzen 9 |
| Cezanne | Codename | Matisse |
| AMD Socket FP6 | Socket | AMD Socket AM4 |
Mobile | Segment | Desktop |
| 8 | Cores | 12 |
| 16 | Threads | 24 |
| 1.9 GHz | Base Clock Speed | 3.8 GHz |
| 4.4 GHz | Turbo Clock Speed | 4.6 GHz |
15 W | TDP | 105 W |
| 7 nm | Process Size | 7 nm |
| 19.0x | Multiplier | 38.0x |
Radeon Vega 8 | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Ryzen 7 5800U or Ryzen 9 3900X
Grand Theft Auto V, 1920 x 1080, Ultra
115 FPS
$12.5/FPS
GeForce RTX 3080
Ryzen 9 3900X
16 GB, N/A Storage
Buy on Amazon
$1,437.79
In Stock
121 FPS
$24.79/FPS
GeForce RTX 3090
Ryzen 9 3900X
24 GB, N/A Storage
Buy on Amazon
$2,999.99
In Stock
115 FPS
$23.38/FPS
GeForce RTX 3080
Ryzen 9 3900X
16 GB, N/A Storage
Buy on Amazon
$2,689.24
In Stock
102 FPS
$17.65/FPS
GeForce RTX 3070
Ryzen 9 3900X
16 GB, 500 GB SSD + 1 TB HDD
Buy on Amazon
$1,799.99
In Stock
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