The Core i7-870 is the comparison's loser – it's a slightly slower gaming CPU than the Core i5-661 and it's also a much worse value for money, as it's $85.60 more expensive!
Advantages of the Core i7-870
- Can execute more multi-threaded tasks simultaneously – 8 vs 4 threads
Advantages of the Core i5-661
- A slightly faster CPU for gaming
- Up to 54% cheaper – $72.06 vs $157.66
- A much better value for money for gaming
- Consumes up to 8% less energy – 87 vs 95 Watts
- Has an integrated GPU, while the Core i7-870 cannot run games without a dedicated GPU
Core i7-870 vs Core i5-661 for Gaming
The CPU's performance in selected game and settings
Core i7-870
Sep 8th, 2009
Average FPS
167
99%
Min 1% FPS
113
100%
Price, €
€157.66
45%
Value, €/FPS
€0.94/FPS
45%
Core i5-661
Jan 7th, 2010
Average FPS
168
100%
Min 1% FPS
113
100%
Price, €
€72.06
100%
Value, €/FPS
€0.42/FPS
100%
Core i7-870 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 i7-870 vs Core i5-661 in synthetic CPU benchmarks
Performance Specifications
The Core i7-870 vs Core i5-661 in core CPU performance specifications
Core i7-870
Sep 8th, 2009
Cores
4-core
100%
L3 Cache
8 MB
100%
Base Frequency
2.93 GHz
88%
Turbo Frequency
3.6 GHz
100%
Max. DDR3 RAM Speed
MHz
Core i5-661
Jan 7th, 2010
Cores
2-core
50%
L3 Cache
4 MB
50%
Base Frequency
3.33 GHz
100%
Turbo Frequency
3.6 GHz
100%
Max. DDR3 RAM Speed
1333 MHz
100%
Specifications
Comparison of all specifications
Core i7-870 | SpecificationsComparison of all specifications | Core i5-661 |
|---|---|---|
| General | ||
| Sep 8th, 2009 | Release Date | Jan 7th, 2010 |
| Not Available | MSRP | $196.00 |
Desktop | Segment | Desktop |
| Intel Socket 1156 | Socket | Intel Socket 1156 |
| Lynnfield | Codename | Clarkdale |
| 95 W | Power Consumption | 87 W |
| Performance | ||
4 | Cores | 2 |
8 | Threads | 4 |
| 2.9 GHz | Base Frequency | 3.3 GHz |
| 3.6 GHz | Turbo Frequency | 3.6 GHz |
8 MB | L3 Cache | 4 MB |
| Other Features | ||
| DDR3 | RAM | DDR3 @ 1333 MHz |
| No | Integrated Graphics | Intel HD |
| No | Overclockable | No |
