The Core i3-2120 is the comparison's loser – it's at least 2x slower gaming CPU than the Core i5-8400 and it's also a much worse value for money, as it's $101.25 more expensive!
Advantages of the Core i3-2120
The Core i5-8400 is better in every way
Advantages of the Core i5-8400
- At least 2x faster CPU for gaming
- Up to 57% cheaper – $76.58 vs $177.83
- A much better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 6 vs 4 threads
Core i3-2120 vs Core i5-8400 for Gaming
The CPU's performance in selected game and settings
Core i3-2120
Feb 20th, 2011
Average FPS
168
91%
Min 1% FPS
113
92%
Price, €
€177.83
43%
Value, €/FPS
€1.05/FPS
39%
Core i5-8400
Oct 5th, 2017
Average FPS
185
100%
Min 1% FPS
123
100%
Price, €
€76.58
100%
Value, €/FPS
€0.41/FPS
100%
Core i3-2120 vs Core i5-8400 in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
Add a Game
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Synthetic Benchmarks
The Core i3-2120 vs Core i5-8400 in synthetic CPU benchmarks
Performance Specifications
The Core i3-2120 vs Core i5-8400 in core CPU performance specifications
Core i3-2120
Feb 20th, 2011
Cores
2-core
33%
L3 Cache
3 MB
33%
Base Frequency
3.3 GHz
100%
Turbo Frequency
GHz
Max. DDR3 RAM Speed
1333 MHz
50%
Core i5-8400
Oct 5th, 2017
Cores
6-core
100%
L3 Cache
9 MB
100%
Base Frequency
2.8 GHz
85%
Turbo Frequency
4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i3-2120 | SpecificationsComparison of all specifications | Core i5-8400 |
|---|---|---|
| General | ||
| Feb 20th, 2011 | Release Date | Oct 5th, 2017 |
$138.00 | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 1155 | Socket | Intel Socket 1151 |
| Sandy Bridge | Codename | Coffee Lake |
| 65 W | Power Consumption | 65 W |
| Performance | ||
| 2 | Cores | 6 |
| 4 | Threads | 6 |
3.3 GHz | Base Frequency | 2.8 GHz |
| Non-Turbo | Turbo Frequency | 4.0 GHz |
| 3 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR3 @ 1333 MHz | RAM | DDR4 @ 2666 MHz |
| Intel HD 2000 | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | No |
