Intel Core i7 680UM vs 640M |
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Released September, 2010
Intel Core i7 640M
- 2.8 GHz
- Dual core
by hassan-mujtaba (Sep, 2014)So some of the key aspects of the Broadwell microarchitecture would be to be suitable for fanless devices, deliver on core performance improvements and feature enhanced graphics, media, display capabilities.
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Differences What are the advantages of each
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| CPUBoss is not aware of any important advantages of the 680UM vs the 640M. | |||||||
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| CPUBoss is not aware of any important advantages of the 640M vs the 680UM. | |||||||
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Benchmarks Real world tests of Core i7 680UM vs 640M
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
Specifications Full list of technical specs
summary | Core i7 680UM | vs | 640M |
|---|---|---|---|
| Clock speed | 1.46 GHz | 2.8 GHz | |
| Turbo clock speed | 2.53 GHz | 3.46 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| BGA 1288 | |||
| rPGA 988A | |||
| 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 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 18W | 35W | |
| Annual home energy cost | 4.34 $/year | 8.43 $/year | |
| Performance per watt | 3.06 pt/W | 18.3 pt/W | |
| Typical power consumption | 14.63W | 28.44W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 2,500 MT/s | 2,500 MT/s | |
details | Core i7 680UM | vs | 640M |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| L3 cache | 4 MB | 4 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Transistor count | 382,000,000 | 382,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 11 | 21 | |
overclocking | |||
| Overclocked clock speed | 1.47 GHz | 3.37 GHz | |
| Overclocked clock speed (Water) | 1.47 GHz | 2.8 GHz | |
| Overclocked clock speed (Air) | 1.47 GHz | 3.37 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics | Intel® HD Graphics | |
| Number of displays supported | 2 | 2 | |
| GPU clock speed | 166 MHz | 500 MHz | |
| Turbo clock speed | 500 MHz | 766 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | No | No | |
| Maximum bandwidth | 12,800 MB/s | 17,066.66 MB/s | |
| Maximum memory size | 8,192 MB | 8,192 MB | |
 Intel Core i7 680UM  Report a correction |  Intel Core i7 640M Report a correction |
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