The Core i9-7900X is at least 2x faster gaming CPU than the Core i5-661, however, it's a worse value for money, as it's $245.00 more expensive!
Advantages of the Core i9-7900X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 20 vs 4 threads
Advantages of the Core i5-661
- Up to 75% cheaper – $80.00 vs $325.00
- A better value for money for gaming
- Consumes up to 38% less energy – 87 vs 140 Watts
- Has an integrated GPU, while the Core i9-7900X cannot run games without a dedicated GPU
Core i9-7900X vs Core i5-661 for Gaming
The CPU's performance in selected game and settings
Core i9-7900X
Jun 26th, 2017
Average FPS
187
100%
Min 1% FPS
124
100%
Price, $
$325
24%
Value, $/FPS
$1.73/FPS
27%
Core i9-7900X 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 i9-7900X vs Core i5-661 in synthetic CPU benchmarks
Performance Specifications
The Core i9-7900X vs Core i5-661 in core CPU performance specifications
Core i9-7900X
Jun 26th, 2017
Cores
10-core
100%
L3 Cache
14 MB
100%
Base Frequency
3.3 GHz
99%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-661
Jan 7th, 2010
Cores
2-core
20%
L3 Cache
4 MB
29%
Base Frequency
3.33 GHz
100%
Turbo Frequency
3.6 GHz
84%
Max. DDR3 RAM Speed
1333 MHz
50%
Specifications
Comparison of all specifications
Core i9-7900X | SpecificationsComparison of all specifications | Core i5-661 |
|---|---|---|
| General | ||
Jun 26th, 2017 | Release Date | Jan 7th, 2010 |
| $999.00 | MSRP | $196.00 |
Desktop | Segment | Desktop |
| Intel Socket 2066 | Socket | Intel Socket 1156 |
| Skylake-E/EP | Codename | Clarkdale |
| 140 W | Power Consumption | 87 W |
| Performance | ||
10 | Cores | 2 |
20 | Threads | 4 |
| 3.3 GHz | Base Frequency | 3.3 GHz |
4.3 GHz | Turbo Frequency | 3.6 GHz |
14 MB | L3 Cache | 4 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR3 @ 1333 MHz |
| No | Integrated Graphics | Intel HD |
Yes | Overclockable | No |
