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Key Differences
In short — Core i9-9900X outperforms Core i3-8121U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-9900X is 167 days newer than Core i3-8121U.
Advantages of Intel Core i3-8121U
- Consumes up to 91% less energy than Intel Core i9-9900X - 15 vs 165 Watts
Advantages of Intel Core i9-9900X
- Performs up to 3% better in DOOM Eternal than Core i3-8121U - 492 vs 477 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 20 vs 4 threads
DOOM Eternal
Resolution
1920 x 1080
Game Graphics
Nightmare
Core i9-9900X
Desktop • Oct 19th, 2018
FPS
492
100%
Value, $/FPS
$1.2/FPS
100%
Price, $
$590
100%
FPS and Value Winner
Intel Core i9-9900X X-Series Processor 10 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC5)
Buy for $590 on Amazon
In Stock
Updated 15731 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Nightmare
Core i3-8121U
Mobile • May 5th, 2018
Core i9-9900X
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i3-8121U | vs | Intel Core i9-9900X |
|---|---|---|
| May 5th, 2018 | Release Date | Oct 19th, 2018 |
| Core i3 | Collection | Core i9 |
| Cannon Lake | Codename | Skylake |
| Intel BGA 1440 | Socket | Intel Socket 2066 |
Mobile | Segment | Desktop |
| 2 | Cores | 10 |
| 4 | Threads | 20 |
| 2.2 GHz | Base Clock Speed | 3.5 GHz |
| 3.2 GHz | Turbo Clock Speed | 4.4 GHz |
15 W | TDP | 165 W |
10 nm | Process Size | 14 nm |
| 22.0x | Multiplier | 35.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
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