The Core i3-8121U is a much slower gaming CPU than the Core i9-11900KF. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i3-8121U
- Consumes up to 88% less energy – 15 vs 125 Watts
Advantages of the Core i9-11900KF
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 4 threads
Core i3-8121U vs Core i9-11900KF for Gaming
The CPU's performance in selected game and settings
Core i3-8121U
May 5th, 2018
Average FPS
181
88%
Min 1% FPS
120
89%
Price, €
Out of Stock
Value, €/FPS
Not Available
All items are out of stock.
Core i9-11900KF
Mar 16th, 2021
Average FPS
206
100%
Min 1% FPS
135
100%
Price, €
€534.34
100%
Value, €/FPS
€2.59/FPS
100%
Core i3-8121U vs Core i9-11900KF in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
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Synthetic Benchmarks
The Core i3-8121U vs Core i9-11900KF in synthetic CPU benchmarks
Performance Specifications
The Core i3-8121U vs Core i9-11900KF in core CPU performance specifications
Core i3-8121U
May 5th, 2018
Cores
2-core
25%
L3 Cache
4 MB
25%
Base Frequency
2.2 GHz
63%
Turbo Frequency
3.2 GHz
60%
Max. DDR4 RAM Speed
2400 MHz
75%
Core i9-11900KF
Mar 16th, 2021
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.5 GHz
100%
Turbo Frequency
5.3 GHz
100%
Max. DDR4 RAM Speed
3200 MHz
100%
Specifications
Comparison of all specifications
Core i3-8121U | SpecificationsComparison of all specifications | Core i9-11900KF |
|---|---|---|
| General | ||
| May 5th, 2018 | Release Date | Mar 16th, 2021 |
| Not Available | MSRP | $513.00 |
Laptop | Segment | Desktop |
| Intel BGA 1440 | Socket | Intel Socket 1200 |
| Cannon Lake | Codename | Rocket Lake |
15 W | Power Consumption | 125 W |
| Performance | ||
| 2 | Cores | 8 |
| 4 | Threads | 16 |
| 2.2 GHz | Base Frequency | 3.5 GHz |
| 3.2 GHz | Turbo Frequency | 5.3 GHz |
| 4 MB | L3 Cache | 16 MB |
| Other Features | ||
| DDR4 @ 2400 MHz | RAM | DDR4 @ 3200 MHz |
| No | Integrated Graphics | No |
| No | Overclockable | Yes |
