Buy on Amazon
$272.99
In Stock
Availability
Availability
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AvailabilityMSRP in USD: $564
Availability
MSRP in USD: $564
Key Differences
In short — Core i9-12900KF 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 i9-12900KF is 1279 days newer than Core i3-8121U.
Advantages of Intel Core i3-8121U
- Consumes up to 88% less energy than Intel Core i9-12900KF - 15 vs 125 Watts
Advantages of Intel Core i9-12900KF
- Performs up to 31% better in Dota 2 than Core i3-8121U - 252 vs 193 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 24 vs 4 threads
Dota 2
Resolution
1920 x 1080
Game Graphics
Best Looking
Core i9-12900KF
Desktop • Nov 4th, 2021
FPS
252
100%
Value, $/FPS
$1.08/FPS
100%
Price, $
$272.99
100%
FPS and Value Winner
Intel Core i9-12900KF Gaming Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W
Buy for $272.99 on Amazon
In Stock
Updated 209 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Best Looking
Core i3-8121U
Mobile • May 5th, 2018
Core i9-12900KF
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Intel Core i3-8121U | vs | Intel Core i9-12900KF |
|---|---|---|
| May 5th, 2018 | Release Date | Nov 4th, 2021 |
| 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 | 3.2 GHz |
| 3.2 GHz | Turbo Clock Speed | 5.2 GHz |
15 W | TDP | 125 W |
| 10 nm | Process Size | 10 nm |
| 22.0x | Multiplier | 32.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Core i3-8121U or Core i9-12900KF
Dota 2, 1920 x 1080, Best Looking
193 FPS
$8.81/FPS
GeForce RTX 4060
Core i9-12900KF
32 GB, 4 TB HDD
Buy on Amazon
$1,699.99
In Stock
226 FPS
$8.27/FPS
GeForce RTX 3080
Core i9-12900KF
32 GB, N/A Storage
Buy on Amazon
$1,869
In Stock
209 FPS
$12.82/FPS
GeForce RTX 3070
Core i9-12900KF
16 GB, N/A Storage
Buy on Amazon
$2,679.99
In Stock
234 FPS
$23.5/FPS
GeForce RTX 3090
Core i9-12900KF
16 GB, 1 TB HDD
Buy on Amazon
$5,499
In Stock
233 FPS
$16.38/FPS
GeForce RTX 3080 Ti
Core i9-12900KF
16 GB, 2 TB HDD
Buy on Amazon
$3,816
In Stock
227 FPS
$11.01/FPS
GeForce RTX 4070
Core i9-12900KF
32 GB, 1 TB SSD + 4 TB HDD
Buy on Amazon
$2,499.99
In Stock
233 FPS
$10.61/FPS
GeForce RTX 3080 Ti
Core i9-12900KF
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,473
In Stock
215 FPS
$8.84/FPS
GeForce RTX 3070 Ti
Core i9-12900KF
32 GB, N/A Storage
Buy on Amazon
$1,899.99
In Stock
234 FPS
$20.51/FPS
GeForce RTX 3090
Core i9-12900KF
16 GB, N/A Storage
Buy on Amazon
$4,799
In Stock
234 FPS
$23.5/FPS
GeForce RTX 3090
Core i9-12900KF
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
$5,499
In Stock
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