The Core i9-13900KS is a clear winner – it's at least 2x faster gaming CPU than the FX-8120 and it's also a better value for money, as it's only $350.98 more expensive!
Advantages of the Core i9-13900KS
- At least 2x faster CPU for gaming
- A better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 32 vs 8 threads
Advantages of the FX-8120
- Up to 82% cheaper – $78.02 vs $429.00
- Consumes up to 17% less energy – 125 vs 150 Watts
Core i9-13900KS vs FX-8120 for Gaming
The CPU's performance in selected game and settings
Core i9-13900KS
Jan 12th, 2023
Average FPS
224
100%
Min 1% FPS
147
100%
Price, $
$429
18%
Value, $/FPS
$1.91/FPS
25%
Core i9-13900KS vs FX-8120 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
Very High
1920x1080
+2
Average FPS
Average FPS
Very High
1920x1080
Average FPS
Average FPS
High
1920x1080
+1
Average FPS
Average FPS
Ultra
1920x1080
+2
Average FPS
Average FPS
Epic
1920x1080
Average FPS
Average FPS
Add a Game
Select Settings
Synthetic Benchmarks
The Core i9-13900KS vs FX-8120 in synthetic CPU benchmarks
Performance Specifications
The Core i9-13900KS vs FX-8120 in core CPU performance specifications
Core i9-13900KS
Jan 12th, 2023
Cores
24-core
100%
L3 Cache
36 MB
100%
Base Frequency
3.2 GHz
100%
Turbo Frequency
6 GHz
100%
Max. DDR5 RAM Speed
5600 MHz
100%
FX-8120
Oct 12th, 2011
Cores
8-core
33%
L3 Cache
8 MB
22%
Base Frequency
3.1 GHz
97%
Turbo Frequency
3.4 GHz
57%
Max. DDR3 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i9-13900KS | SpecificationsComparison of all specifications | FX-8120 |
|---|---|---|
| General | ||
Jan 12th, 2023 | Release Date | Oct 12th, 2011 |
| $699.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1700 | Socket | AMD Socket AM3+ |
| Raptor Lake | Codename | Zambezi |
| 150 W | Power Consumption | 125 W |
| Performance | ||
24 | Cores | 8 |
32 | Threads | 8 |
3.2 GHz | Base Frequency | 3.1 GHz |
6.0 GHz | Turbo Frequency | 3.4 GHz |
36 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR4 @ 3200 MHz, DDR5 @ 5600 MHz | RAM | DDR3 |
| UHD Graphics 770 | Integrated Graphics | On certain motherboards (Chipset feature) |
| Yes | Overclockable | Yes |
