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AvailabilityMSRP in USD: $499
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MSRP in USD: $499
Key Differences
In short — Ryzen 9 3900X outperforms FX-8120 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 3900X is 2825 days newer than FX-8120.
Advantages of AMD Ryzen 9 3900X
- Performs up to 17% better in Assassin's Creed Odyssey than FX-8120 - 136 vs 116 FPS
- Consumes up to 16% less energy than AMD FX-8120 - 105 vs 125 Watts
- Can execute more multi-threaded tasks simultaneously than AMD FX-8120 - 24 vs 8 threads
Assassin's Creed Odyssey
Resolution
1920 x 1080
Game Graphics
Ultra High
AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
Buy for CA$485 on Amazon
In Stock
Updated 75387 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
FX-8120
Desktop • Oct 12th, 2011
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Geekbench 5 Benchmarks
AMD FX-8120 | vs | AMD Ryzen 9 3900X |
|---|---|---|
| Oct 12th, 2011 | Release Date | Jul 7th, 2019 |
| FX | Collection | Ryzen 9 |
| Zambezi | Codename | Matisse |
| AMD Socket AM3+ | Socket | AMD Socket AM4 |
Desktop | Segment | Desktop |
| 8 | Cores | 12 |
| 8 | Threads | 24 |
| 3.1 GHz | Base Clock Speed | 3.8 GHz |
| 3.4 GHz | Turbo Clock Speed | 4.6 GHz |
| 125 W | TDP | 105 W |
| 32 nm | Process Size | 7 nm |
| 15.5x | Multiplier | 38.0x |
| None | Integrated Graphics | None |
| Yes | Overclockable | Yes |
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