Intel Core i7 740QM vs 3687U |
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Released January, 2013
Intel Core i7 3687U
- 2.1 GHz
- Dual core
Reasons to buy the 3687U
 | 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 740QM vs the 3687U. | |||||||
| |||||||
| 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 i7 740QM vs 3687U
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core i7 740QM | vs | 3687U |
|---|---|---|---|
| Clock speed | 1.73 GHz | 2.1 GHz | |
| Turbo clock speed | 2.93 GHz | 3.3 GHz | |
| Cores | Quad core | Dual core | |
| Socket type | |||
| rPGA 988A | |||
| BGA 1023 | |||
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 45W | 17W | |
| Annual home energy cost | 10.84 $/year | 4.1 $/year | |
| Performance per watt | 3.01 pt/W | 45.76 pt/W | |
| Typical power consumption | 36.56W | 13.81W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 2,500 MT/s | 5,000 MT/s | |
details | Core i7 740QM | vs | 3687U |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 4 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| L3 cache | 6 MB | 4 MB | |
| L3 cache per core | 1.5 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 13 | 21 | |
overclocking | |||
| Overclocked clock speed | 2.74 GHz | 3.17 GHz | |
| Overclocked clock speed (Water) | 1.73 GHz | 2.1 GHz | |
| Overclocked clock speed (Air) | 2.74 GHz | 3.17 GHz | |
integrated graphics | |||
| GPU | None | GPU | |
| Label | N/A | Intel® HD Graphics 4000 | |
| Number of displays supported | N/A | 3 | |
| GPU clock speed | N/A | 350 MHz | |
| Turbo clock speed | N/A | 1,200 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | No | No | |
| Maximum bandwidth | 21,333.32 MB/s | 12,800 MB/s | |
| Maximum memory size | 8,192 MB | 32,768 MB | |
 Intel Core i7 740QM  Report a correction |  Intel Core i7 3687U Report a correction |
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