The Core i5-661 is at least 2x slower gaming CPU than the Core i9-7900X, however, it's a better value for money, as it's $245.00 cheaper!
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
Advantages of the Core i9-7900X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 20 vs 4 threads
Core i5-661 vs Core i9-7900X 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 i5-661 vs Core i9-7900X 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 i9-7900X in synthetic CPU benchmarks
Performance Specifications
The Core i5-661 vs Core i9-7900X in core CPU performance specifications
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%
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%
Specifications
Comparison of all specifications
Core i5-661 | SpecificationsComparison of all specifications | Core i9-7900X |
|---|---|---|
| General | ||
| Jan 7th, 2010 | Release Date | Jun 26th, 2017 |
$196.00 | MSRP | $999.00 |
Desktop | Segment | Desktop |
| Intel Socket 1156 | Socket | Intel Socket 2066 |
| Clarkdale | Codename | Skylake-E/EP |
87 W | Power Consumption | 140 W |
| Performance | ||
| 2 | Cores | 10 |
| 4 | Threads | 20 |
3.3 GHz | Base Frequency | 3.3 GHz |
| 3.6 GHz | Turbo Frequency | 4.3 GHz |
| 4 MB | L3 Cache | 14 MB |
| Other Features | ||
| DDR3 @ 1333 MHz | RAM | DDR4 @ 2666 MHz |
Intel HD | Integrated Graphics | No |
| No | Overclockable | Yes |
