Key Differences
In short — Core i9-12900KS 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 i9-12900KS is 1431 days newer than Core i3-8121U.
Advantages of Intel Core i3-8121U
- Consumes up to 90% less energy than Intel Core i9-12900KS - 15 vs 150 Watts
Advantages of Intel Core i9-12900KS
- Performs up to 317% better in Cities: Skylines II than Core i3-8121U - 75 vs 18 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 24 vs 4 threads
- Works without a dedicated GPU, while Intel Core i3-8121U doesn't have integrated graphics
Cities: Skylines II
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i3-8121U
Mobile • May 5th, 2018
Core i9-12900KS
Desktop • Apr 5th, 2022
Geekbench 5 Benchmarks
Intel Core i3-8121U | vs | Intel Core i9-12900KS |
|---|---|---|
| May 5th, 2018 | Release Date | Apr 5th, 2022 |
| Core i3 | Collection | Core i9 |
| Cannon Lake | Codename | Alder Lake |
| Intel BGA 1440 | Socket | Intel Socket 1700 |
Mobile | Segment | Desktop |
| 2 | Cores | 16 |
| 4 | Threads | 24 |
| 2.2 GHz | Base Clock Speed | 3.4 GHz |
| 3.2 GHz | Turbo Clock Speed | 5.2 GHz |
15 W | TDP | 150 W |
| 10 nm | Process Size | 10 nm |
| 22.0x | Multiplier | 34.0x |
| None | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
