The Core i5-661 is the comparison's loser – it's at least 2x slower gaming CPU than the Core i7-7740X and it's also a worse value for money, as it's only $139.64 cheaper!
Advantages of the Core i5-661
- Up to 66% cheaper – $72.06 vs $211.70
- Consumes up to 22% less energy – 87 vs 112 Watts
- Has an integrated GPU, while the Core i7-7740X cannot run games without a dedicated GPU
Advantages of the Core i7-7740X
- At least 2x faster CPU for gaming
- A slightly better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 8 vs 4 threads
Core i5-661 vs Core i7-7740X for Gaming
The CPU's performance in selected game and settings
Core i5-661
Jan 7th, 2010
Average FPS
168
88%
Min 1% FPS
113
90%
Price, €
€72.06
100%
Value, €/FPS
€0.42/FPS
100%
Core i7-7740X
Jun 26th, 2017
Average FPS
191
100%
Min 1% FPS
126
100%
Price, €
€211.7
34%
Value, €/FPS
€1.1/FPS
38%
Core i5-661 vs Core i7-7740X 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 i7-7740X in synthetic CPU benchmarks
Performance Specifications
The Core i5-661 vs Core i7-7740X in core CPU performance specifications
Core i5-661
Jan 7th, 2010
Cores
2-core
50%
L3 Cache
4 MB
50%
Base Frequency
3.33 GHz
77%
Turbo Frequency
3.6 GHz
80%
Max. DDR3 RAM Speed
1333 MHz
100%
Core i7-7740X
Jun 26th, 2017
Cores
4-core
100%
L3 Cache
8 MB
100%
Base Frequency
4.3 GHz
100%
Turbo Frequency
4.5 GHz
100%
Max. DDR4 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i5-661 | SpecificationsComparison of all specifications | Core i7-7740X |
|---|---|---|
| General | ||
| Jan 7th, 2010 | Release Date | Jun 26th, 2017 |
| $196.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1156 | Socket | Intel Socket 2066 |
| Clarkdale | Codename | Kaby Lake |
87 W | Power Consumption | 112 W |
| Performance | ||
| 2 | Cores | 4 |
| 4 | Threads | 8 |
| 3.3 GHz | Base Frequency | 4.3 GHz |
| 3.6 GHz | Turbo Frequency | 4.5 GHz |
| 4 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR3 @ 1333 MHz | RAM | DDR4 |
Intel HD | Integrated Graphics | No |
| No | Overclockable | Yes |
