The Core i5-661 is at least 2x slower gaming CPU than the Core i5-6400. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i5-661
The Core i5-6400 is better in every way
Advantages of the Core i5-6400
- At least 2x faster CPU for gaming
- Consumes up to 25% less energy – 65 vs 87 Watts
Core i5-661 vs Core i5-6400 for Gaming
The CPU's performance in selected game and settings
Core i5-661
Jan 7th, 2010
Average FPS
168
93%
Min 1% FPS
113
94%
Price, €
Out of Stock
Value, €/FPS
Not Available
All items are out of stock.
Core i5-6400
Jul 2nd, 2015
Average FPS
180
100%
Min 1% FPS
120
100%
Price, €
Out of Stock
Value, €/FPS
Not Available
All items are out of stock.
Core i5-661 vs Core i5-6400 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 i5-661 vs Core i5-6400 in synthetic CPU benchmarks
Performance Specifications
The Core i5-661 vs Core i5-6400 in core CPU performance specifications
Core i5-661
Jan 7th, 2010
Cores
2-core
50%
L3 Cache
4 MB
67%
Base Frequency
3.33 GHz
100%
Turbo Frequency
3.6 GHz
100%
Max. DDR3 RAM Speed
1333 MHz
62%
Core i5-6400
Jul 2nd, 2015
Cores
4-core
100%
L3 Cache
6 MB
100%
Base Frequency
2.7 GHz
81%
Turbo Frequency
3.3 GHz
92%
Max. DDR4 RAM Speed
2133 MHz
100%
Specifications
Comparison of all specifications
Core i5-661 | SpecificationsComparison of all specifications | Core i5-6400 |
|---|---|---|
| General | ||
| Jan 7th, 2010 | Release Date | Jul 2nd, 2015 |
| $196.00 | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 1156 | Socket | Intel Socket 1151 |
| Clarkdale | Codename | Skylake |
| 87 W | Power Consumption | 65 W |
| Performance | ||
| 2 | Cores | 4 |
| 4 | Threads | 4 |
3.3 GHz | Base Frequency | 2.7 GHz |
3.6 GHz | Turbo Frequency | 3.3 GHz |
| 4 MB | L3 Cache | 6 MB |
| Other Features | ||
| DDR3 @ 1333 MHz | RAM | DDR4 @ 2133 MHz |
| Intel HD | Integrated Graphics | HD Graphics 530 |
| No | Overclockable | No |
