Key Differences
In short — Ryzen 9 3900X outperforms Core i3-8121U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 3900X is 428 days newer than Core i3-8121U.
Advantages of Intel Core i3-8121U
- Consumes up to 86% less energy than AMD Ryzen 9 3900X - 15 vs 105 Watts
Advantages of AMD Ryzen 9 3900X
- Performs up to 13% better in Tom Clancy's Rainbow Six Siege than Core i3-8121U - 595 vs 525 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 24 vs 4 threads
Tom Clancy's Rainbow Six Siege
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i3-8121U
Mobile • May 5th, 2018
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Geekbench 5 Benchmarks
Intel Core i3-8121U | vs | AMD Ryzen 9 3900X |
|---|---|---|
| May 5th, 2018 | Release Date | Jul 7th, 2019 |
| Core i3 | Collection | Ryzen 9 |
| Cannon Lake | Codename | Matisse |
| Intel BGA 1440 | Socket | AMD Socket AM4 |
Mobile | Segment | Desktop |
| 2 | Cores | 12 |
| 4 | Threads | 24 |
| 2.2 GHz | Base Clock Speed | 3.8 GHz |
| 3.2 GHz | Turbo Clock Speed | 4.6 GHz |
15 W | TDP | 105 W |
| 10 nm | Process Size | 7 nm |
| 22.0x | Multiplier | 38.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
