The Core i5-8400 is a clear winner – it's at least 2x faster gaming CPU than the FX-8120 and it's also a much better value for money, as it's only $6.79 more expensive!
Advantages of the Core i5-8400
- At least 2x faster CPU for gaming
- A much better value for money for gaming
- Consumes up to 48% less energy – 65 vs 125 Watts
Advantages of the FX-8120
- Up to 9% cheaper – $70.29 vs $77.08
- Can execute more multi-threaded tasks simultaneously – 8 vs 6 threads
Core i5-8400 vs FX-8120 for Gaming
The CPU's performance in selected game and settings
Core i5-8400
Oct 5th, 2017
Average FPS
185
100%
Min 1% FPS
123
100%
Price, €
€77.08
91%
Value, €/FPS
€0.41/FPS
100%
Core i5-8400 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 i5-8400 vs FX-8120 in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400 vs FX-8120 in core CPU performance specifications
Core i5-8400
Oct 5th, 2017
Cores
6-core
75%
L3 Cache
9 MB
100%
Base Frequency
2.8 GHz
90%
Turbo Frequency
4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
FX-8120
Oct 12th, 2011
Cores
8-core
100%
L3 Cache
8 MB
89%
Base Frequency
3.1 GHz
100%
Turbo Frequency
3.4 GHz
85%
Max. DDR3 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i5-8400 | SpecificationsComparison of all specifications | FX-8120 |
|---|---|---|
| General | ||
Oct 5th, 2017 | Release Date | Oct 12th, 2011 |
| $182.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | AMD Socket AM3+ |
| Coffee Lake | Codename | Zambezi |
65 W | Power Consumption | 125 W |
| Performance | ||
| 6 | Cores | 8 |
| 6 | Threads | 8 |
| 2.8 GHz | Base Frequency | 3.1 GHz |
4.0 GHz | Turbo Frequency | 3.4 GHz |
9 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR3 |
| UHD Graphics 630 | Integrated Graphics | On certain motherboards (Chipset feature) |
| No | Overclockable | Yes |
