Buy on Amazon
$232
In Stock
Availability
Availability
No items available
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short — Core i9-11900KF 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 i9-11900KF is 1046 days newer than Core i3-8121U.
Advantages of Intel Core i3-8121U
- Consumes up to 88% less energy than Intel Core i9-11900KF - 15 vs 125 Watts
Advantages of Intel Core i9-11900KF
- Performs up to 34% better in Cyberpunk 2077 than Core i3-8121U - 95 vs 71 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 16 vs 4 threads
Cyberpunk 2077
Resolution
1920 x 1080
Game Graphics
RT Overdrive
Core i9-11900KF
Desktop • Mar 16th, 2021
FPS
95
100%
Value, $/FPS
$2.44/FPS
100%
Price, $
$232
100%
FPS and Value Winner
Intel® Core™ i9-11900KF Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W
Buy for $232 on Amazon
In Stock
Updated 4887 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
RT Overdrive
Core i3-8121U
Mobile • May 5th, 2018
Core i9-11900KF
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Core i3-8121U | vs | Intel Core i9-11900KF |
|---|---|---|
| May 5th, 2018 | Release Date | Mar 16th, 2021 |
| Core i3 | Collection | Core i9 |
| Cannon Lake | Codename | Rocket Lake |
| Intel BGA 1440 | Socket | Intel Socket 1200 |
Mobile | Segment | Desktop |
| 2 | Cores | 8 |
| 4 | Threads | 16 |
| 2.2 GHz | Base Clock Speed | 3.5 GHz |
| 3.2 GHz | Turbo Clock Speed | 5.3 GHz |
15 W | TDP | 125 W |
10 nm | Process Size | 14 nm |
| 22.0x | Multiplier | 35.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Core i3-8121U or Core i9-11900KF
Cyberpunk 2077, 1920 x 1080, RT Overdrive
20 FPS
$50/FPS
GeForce RTX 3070
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$999.99
In Stock
42 FPS
$78.57/FPS
GeForce RTX 3090
Core i9-11900KF
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,299.97
In Stock
20 FPS
$79.95/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,599
In Stock
45 FPS
$71.11/FPS
Radeon RX 6900 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$3,199.99
In Stock
1 FPS
$1129/FPS
GeForce RTX 3050
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,129
In Stock
42 FPS
$154.74/FPS
GeForce RTX 3090
Core i9-11900KF
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$6,499
In Stock
24 FPS
$81.25/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,949.99
In Stock
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