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Intel Core i7 640M
CPUBoss recommends the Intel Core i7 640M based on its .
See full details Intel Core i7 640M vs i5 3320M |
Released September, 2010
Intel Core i7 640M
- 2.8 GHz
- Dual core
7 Out of 10
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.
VS
Released June, 2012
Intel Core i5 3320M
- 2.6 GHz
- Dual core
6.4 Out of 10
by Ryan-Shrout (Nov, 2014)Newly branded as the Core M line, Broadwell-Y is meant to target the market looking for similar performance of today's ultra-low voltage Haswell processors but with longer battery life and more efficient designs.
CPUBoss Review Our evaluation of 640M vs 3320M among laptop CPUs (over 15W)
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Sky Diver and Cloud Gate | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
| 7 | CPUBoss Score |
Combination of all six facets | |
 |
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the Core i7 640M vs the Core i5 3320M. | |||||||
| |||||||
| CPUBoss is not aware of any important advantages of the Core i5 3320M vs the Core i7 640M. | |||||||
Report a correction
Benchmarks Real world tests of Core i7 640M vs i5 3320M
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 3320M |
|---|---|---|---|
| Clock speed | 2.8 GHz | 2.6 GHz | |
| Turbo clock speed | 3.46 GHz | 3.3 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| BGA 1288 | |||
| rPGA 988A | |||
| rPGA 988B | |||
| 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 | 35W | 35W | |
| Annual home energy cost | 8.43 $/year | 8.43 $/year | |
| Performance per watt | 18.27 pt/W | 12.63 pt/W | |
| Typical power consumption | 28.44W | 28.44W | |
bus | |||
| Architecture | DMI | DMI 2.0 | |
| Number of links | 1 | 1 | |
| Transfer rate | 2,500 MT/s | 5,000 MT/s | |
details | Core i7 640M | vs | i5 3320M |
|---|---|---|---|
| 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 | 22 nm | |
| Transistor count | 382,000,000 | 1,400,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 21 | 26 | |
overclocking | |||
| Overclocked clock speed | 3.41 GHz | 3.08 GHz | |
| Overclocked clock speed (Water) | 2.8 GHz | 2.6 GHz | |
| Overclocked clock speed (Air) | 3.41 GHz | 3.08 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics | Intel® HD Graphics 4000 | |
| Number of displays supported | 2 | 3 | |
| GPU clock speed | 500 MHz | 650 MHz | |
| Turbo clock speed | 766 MHz | 1,200 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 | 12,800 MB/s | |
| Maximum memory size | 8,192 MB | 32,768 MB | |
 Intel Core i7 640M  Report a correction |  Intel Core i5 3320M Report a correction |
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