Intel Core i5 750 vs 661 |
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Released January, 2010
Intel Core i5 661
- 3.33 GHz
- Dual core
Reasons to buy the 661
 | Has a built-in GPU Yes |
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Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the 750 vs the 661. | |||||||
| |||||||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
|---|---|---|---|---|---|---|---|
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Benchmarks Real world tests of Core i5 750 vs 661
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Reviews Word on the street
Specifications Full list of technical specs
summary | Core i5 750 | vs | 661 |
|---|---|---|---|
| Clock speed | 2.66 GHz | 3.33 GHz | |
| Turbo clock speed | 3.2 GHz | 3.6 GHz | |
| Cores | Quad core | Dual core | |
| Socket type | |||
| LGA 1156 | |||
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 87W | |
| Annual home energy cost | 42.81 $/year | 36.95 $/year | |
| Annual commercial energy cost | 122.73 $/year | 96.71 $/year | |
| Performance per watt | 0.89 pt/W | 5.96 pt/W | |
| Idle power consumption | 69.5W | 67W | |
| Peak power consumption | 140.1W | 110.4W | |
| Typical power consumption | 122.45W | 99.55W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 2,500 MT/s | 2,500 MT/s | |
details | Core i5 750 | vs | 661 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| L3 cache | 8 MB | 4 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 32 nm | |
| Transistor count | 774,000,000 | 382,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 20 | 25 | |
| Voltage range | 0.65 - 1.4V | 0.65 - 1.4V | |
| Operating temperature | Unknown - 72.7°C | Unknown - 69.8°C | |
overclocking | |||
| Overclocked clock speed | 4.13 GHz | 4.66 GHz | |
| Overclocked clock speed (Water) | 4.09 GHz | 3.33 GHz | |
| Overclocked clock speed (Air) | 4.13 GHz | 4.66 GHz | |
integrated graphics | |||
| GPU | None | GPU | |
| Label | N/A | Intel® HD Graphics | |
| Number of displays supported | N/A | 2 | |
| GPU clock speed | N/A | 900 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Maximum bandwidth | 21,333.32 MB/s | 21,333.32 MB/s | |
| Maximum memory size | 16,384 MB | 16,773.12 MB | |
 Intel Core i5 750  Report a correction |  Intel Core i5 661 Report a correction |
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