Key Differences
In short — Core i9-12900K 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 i9-12900K is 1279 days newer than Core i3-8121U.
Advantages of Intel Core i9-12900K
- Performs up to 165% better in League of Legends than Core i3-8121U - 339 vs 128 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
Advantages of Intel Core i3-8121U
- Consumes up to 88% less energy than Intel Core i9-12900K - 15 vs 125 Watts
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Desktop • Nov 4th, 2021
FPS
339
100%
Value, $/FPS
$0.97/FPS
100%
Price, $
$329.99
100%
FPS and Value Winner
Buy for $329.99 on Amazon
In Stock
Updated 177 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Desktop • Nov 4th, 2021
Mobile • May 5th, 2018
Geekbench 5 Benchmarks
Intel Core i9-12900K | vs | Intel Core i3-8121U |
---|---|---|
Nov 4th, 2021 | Release Date | May 5th, 2018 |
Core i9 | Collection | Core i3 |
Alder Lake | Codename | Cannon Lake |
Intel Socket 1700 | Socket | Intel BGA 1440 |
Desktop | Segment | Mobile |
16 | Cores | 2 |
24 | Threads | 4 |
3.2 GHz | Base Clock Speed | 2.2 GHz |
5.2 GHz | Turbo Clock Speed | 3.2 GHz |
125 W | TDP | 15 W |
10 nm | Process Size | 10 nm |
32.0x | Multiplier | 22.0x |
UHD Graphics 770 | Integrated Graphics | None |
Yes | Overclockable | No |