The Core i9-9900K is at least 2x faster gaming CPU than the FX-8120, however, it's a slightly worse value for money, as it's $240.18 more expensive!
Advantages of the Core i9-9900K
- At least 2x faster CPU for gaming
- Consumes up to 24% less energy – 95 vs 125 Watts
- Can execute more multi-threaded tasks simultaneously – 16 vs 8 threads
Advantages of the FX-8120
- Up to 77% cheaper – $70.29 vs $310.47
- A slightly better value for money for gaming
Core i9-9900K vs FX-8120 for Gaming
The CPU's performance in selected game and settings
Core i9-9900K
Oct 19th, 2018
Average FPS
192
100%
Min 1% FPS
127
100%
Price, €
€310.47
22%
Value, €/FPS
€1.61/FPS
26%
Core i9-9900K 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
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Synthetic Benchmarks
The Core i9-9900K vs FX-8120 in synthetic CPU benchmarks
Performance Specifications
The Core i9-9900K vs FX-8120 in core CPU performance specifications
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%
FX-8120
Oct 12th, 2011
Cores
8-core
100%
L3 Cache
8 MB
50%
Base Frequency
3.1 GHz
86%
Turbo Frequency
3.4 GHz
68%
Max. DDR3 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i9-9900K | SpecificationsComparison of all specifications | FX-8120 |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | Oct 12th, 2011 |
| $488.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | AMD Socket AM3+ |
| Coffee Lake | Codename | Zambezi |
95 W | Power Consumption | 125 W |
| Performance | ||
| 8 | Cores | 8 |
16 | Threads | 8 |
3.6 GHz | Base Frequency | 3.1 GHz |
5.0 GHz | Turbo Frequency | 3.4 GHz |
16 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR3 |
| UHD Graphics 630 | Integrated Graphics | On certain motherboards (Chipset feature) |
| Yes | Overclockable | Yes |
