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 11% better in Grand Theft Auto V than Core i3-8121U - 137 vs 123 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 24 vs 4 threads
Grand Theft Auto V
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jul 7th, 2019
FPS
137
100%
Value, $/FPS
$2.88/FPS
100%
Price, $
$395
100%
FPS and Value Winner
Buy for $395 on Amazon
In Stock
Updated 9129 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Mobile • May 5th, 2018
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 |