The Core i5-9400 is a clear winner – it's at least 2x faster gaming CPU than the Core i5-661 and it's also a better value for money, as it's only $50.12 more expensive!
Advantages of the Core i5-9400
- At least 2x faster CPU for gaming
- A better value for money for gaming
- Consumes up to 25% less energy – 65 vs 87 Watts
- Can execute more multi-threaded tasks simultaneously – 6 vs 4 threads
Advantages of the Core i5-661
- Up to 41% cheaper – $72.06 vs $122.18
Core i5-9400 vs Core i5-661 for Gaming
The CPU's performance in selected game and settings
Core i5-9400
Oct 19th, 2018
Average FPS
186
100%
Min 1% FPS
123
100%
Price, €
€122.18
58%
Value, €/FPS
€0.65/FPS
65%
Core i5-661
Jan 7th, 2010
Average FPS
168
90%
Min 1% FPS
113
92%
Price, €
€72.06
100%
Value, €/FPS
€0.42/FPS
100%
Core i5-9400 vs Core i5-661 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 i5-9400 vs Core i5-661 in synthetic CPU benchmarks
Performance Specifications
The Core i5-9400 vs Core i5-661 in core CPU performance specifications
Core i5-9400
Oct 19th, 2018
Cores
6-core
100%
L3 Cache
9 MB
100%
Base Frequency
2.9 GHz
87%
Turbo Frequency
4.1 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-661
Jan 7th, 2010
Cores
2-core
33%
L3 Cache
4 MB
44%
Base Frequency
3.33 GHz
100%
Turbo Frequency
3.6 GHz
88%
Max. DDR3 RAM Speed
1333 MHz
50%
Specifications
Comparison of all specifications
Core i5-9400 | SpecificationsComparison of all specifications | Core i5-661 |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | Jan 7th, 2010 |
| Not Available | MSRP | $196.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1156 |
| Coffee Lake | Codename | Clarkdale |
65 W | Power Consumption | 87 W |
| Performance | ||
6 | Cores | 2 |
6 | Threads | 4 |
| 2.9 GHz | Base Frequency | 3.3 GHz |
4.1 GHz | Turbo Frequency | 3.6 GHz |
9 MB | L3 Cache | 4 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR3 @ 1333 MHz |
| UHD 630 | Integrated Graphics | Intel HD |
| No | Overclockable | No |
