The Core i3-8121U is at least 2x slower gaming CPU than the Ryzen 9 7900X3D. 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 120 Watts
Advantages of the Ryzen 9 7900X3D
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 24 vs 4 threads
- Can run games without a dedicated GPU as it has integrated graphics
Core i3-8121U vs Ryzen 9 7900X3D for Gaming
The CPU's performance in selected game and settings
Core i3-8121U
May 5th, 2018
Average FPS
181
83%
Min 1% FPS
120
84%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
Ryzen 9 7900X3D
Jan 4th, 2023
Average FPS
218
100%
Min 1% FPS
143
100%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
Core i3-8121U vs Ryzen 9 7900X3D 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 Ryzen 9 7900X3D in synthetic CPU benchmarks
Performance Specifications
The Core i3-8121U vs Ryzen 9 7900X3D in core CPU performance specifications
Core i3-8121U
May 5th, 2018
Cores
2-core
17%
L3 Cache
4 MB
3%
Base Frequency
2.2 GHz
50%
Turbo Frequency
3.2 GHz
57%
Max. DDR4 RAM Speed
2400 MHz
46%
Ryzen 9 7900X3D
Jan 4th, 2023
Cores
12-core
100%
L3 Cache
128 MB
100%
Base Frequency
4.4 GHz
100%
Turbo Frequency
5.6 GHz
100%
Max. DDR5 RAM Speed
5200 MHz
100%
Specifications
Comparison of all specifications
Core i3-8121U | SpecificationsComparison of all specifications | Ryzen 9 7900X3D |
|---|---|---|
| General | ||
| May 5th, 2018 | Release Date | Jan 4th, 2023 |
| Not Available | MSRP | $599.00 |
Laptop | Segment | Desktop |
| Intel BGA 1440 | Socket | AMD Socket AM5 |
| Cannon Lake | Codename | Raphael |
15 W | Power Consumption | 120 W |
| Performance | ||
| 2 | Cores | 12 |
| 4 | Threads | 24 |
| 2.2 GHz | Base Frequency | 4.4 GHz |
| 3.2 GHz | Turbo Frequency | 5.6 GHz |
| 4 MB | L3 Cache | 128 MB |
| Other Features | ||
| DDR4 @ 2400 MHz | RAM | DDR5 @ 5200 MHz |
| No | Integrated Graphics | Radeon Graphics |
| No | Overclockable | Yes |
