The Core i9-9940X is at least 2x faster gaming CPU than the FX-8120, however, it's a much worse value for money, as it's $1210.86 more expensive!
Advantages of the Core i9-9940X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 28 vs 8 threads
Advantages of the FX-8120
- Up to 94% cheaper – $78.02 vs $1288.88
- A much better value for money for gaming
- Consumes up to 24% less energy – 125 vs 165 Watts
- Has an integrated GPU, while the Core i9-9940X cannot run games without a dedicated GPU
Core i9-9940X vs FX-8120 for Gaming
The CPU's performance in selected game and settings
Core i9-9940X
Oct 19th, 2018
Average FPS
187
100%
Min 1% FPS
124
100%
Price, $
$1288.88
6%
Value, $/FPS
$6.89/FPS
7%
Core i9-9940X vs FX-8120 in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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Synthetic Benchmarks
The Core i9-9940X vs FX-8120 in synthetic CPU benchmarks
Performance Specifications
The Core i9-9940X vs FX-8120 in core CPU performance specifications
Core i9-9940X
Oct 19th, 2018
Cores
14-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.3 GHz
100%
Turbo Frequency
4.4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
FX-8120
Oct 12th, 2011
Cores
8-core
57%
L3 Cache
8 MB
42%
Base Frequency
3.1 GHz
94%
Turbo Frequency
3.4 GHz
77%
Max. DDR3 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i9-9940X | SpecificationsComparison of all specifications | FX-8120 |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | Oct 12th, 2011 |
| $1,387.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 2066 | Socket | AMD Socket AM3+ |
| Skylake | Codename | Zambezi |
| 165 W | Power Consumption | 125 W |
| Performance | ||
14 | Cores | 8 |
28 | Threads | 8 |
3.3 GHz | Base Frequency | 3.1 GHz |
4.4 GHz | Turbo Frequency | 3.4 GHz |
19.25 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR3 |
| No | Integrated Graphics | On certain motherboards (Chipset feature) |
| Yes | Overclockable | Yes |
