Intel Core i7 640M vs i5 580M |
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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 Core i7 640M vs the Core i5 580M. | |||||||
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| CPUBoss is not aware of any important advantages of the Core i5 580M vs the Core i7 640M. | |||||||
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Benchmarks Real world tests of Core i7 640M vs i5 580M
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)
Specifications Full list of technical specs
summary | Core i7 640M | vs | i5 580M |
|---|---|---|---|
| Clock speed | 2.8 GHz | 2.66 GHz | |
| Turbo clock speed | 3.46 GHz | 3.33 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 | 35W | 35W | |
| Annual home energy cost | 8.43 $/year | 8.43 $/year | |
| Performance per watt | 18.3 pt/W | 17.16 pt/W | |
| Typical power consumption | 28.44W | 28.44W | |
bus | |||
| Architecture | DMI | DMI | |
| Number of links | 1 | 1 | |
| Transfer rate | 2,500 MT/s | 2,500 MT/s | |
details | Core i7 640M | vs | i5 580M |
|---|---|---|---|
| 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 | 3 MB | |
| L3 cache per core | 2 MB/core | 1.5 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Transistor count | 382,000,000 | 382,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 21 | 20 | |
overclocking | |||
| Overclocked clock speed | 3.37 GHz | 3.1 GHz | |
| Overclocked clock speed (Water) | 2.8 GHz | 2.67 GHz | |
| Overclocked clock speed (Air) | 3.37 GHz | 3.1 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics | Intel® HD Graphics | |
| Number of displays supported | 2 | 2 | |
| GPU clock speed | 500 MHz | 500 MHz | |
| Turbo clock speed | 766 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 | 17,066.66 MB/s | 17,066.66 MB/s | |
| Maximum memory size | 8,192 MB | 8,192 MB | |
 Intel Core i7 640M  Report a correction |  Intel Core i5 580M Report a correction |
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