The Core i3-8121U is a much slower gaming CPU than the Core i9-9900K. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i3-8121U
- Consumes up to 84% less energy – 15 vs 95 Watts
Advantages of the Core i9-9900K
- A much faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 4 threads
- Can run games without a dedicated GPU as it has integrated graphics
Core i3-8121U vs Core i9-9900K for Gaming
The CPU's performance in selected game and settings
Core i3-8121U
May 5th, 2018
Average FPS
181
94%
Min 1% FPS
120
94%
Price, CA$
Out of Stock
Value, CA$/FPS
Not Available
All items are out of stock.
Core i9-9900K
Oct 19th, 2018
Average FPS
192
100%
Min 1% FPS
127
100%
Price, CA$
CA$625
100%
Value, CA$/FPS
CA$3.25/FPS
100%
Core i3-8121U vs Core i9-9900K 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 i9-9900K in synthetic CPU benchmarks
Performance Specifications
The Core i3-8121U vs Core i9-9900K 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
61%
Turbo Frequency
3.2 GHz
64%
Max. DDR4 RAM Speed
2400 MHz
90%
Core i9-9900K
Oct 19th, 2018
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
5 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i3-8121U | SpecificationsComparison of all specifications | Core i9-9900K |
|---|---|---|
| General | ||
| May 5th, 2018 | Release Date | Oct 19th, 2018 |
| Not Available | MSRP | $488.00 |
Laptop | Segment | Desktop |
| Intel BGA 1440 | Socket | Intel Socket 1151 |
| Cannon Lake | Codename | Coffee Lake |
15 W | Power Consumption | 95 W |
| Performance | ||
| 2 | Cores | 8 |
| 4 | Threads | 16 |
| 2.2 GHz | Base Frequency | 3.6 GHz |
| 3.2 GHz | Turbo Frequency | 5.0 GHz |
| 4 MB | L3 Cache | 16 MB |
| Other Features | ||
| DDR4 @ 2400 MHz | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | Yes |
