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| Intel Core i7 640LM vs i5 520UM |
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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 640LM vs the Core i5 520UM. | |||||||
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CPUBoss is not aware of any important advantages of the Core i5 520UM vs the Core i7 640LM. | |||||||
Benchmarks Real world tests of Core i7 640LM vs i5 520UM
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core i7 640LM
3,396
Core i5 520UM
2,151
GeekBench 3 (Single core) Data courtesy Primate Labs
Core i7 640LM
1,811
Core i5 520UM
1,210
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core i7 640LM
1,300,000 MB/s
Core i5 520UM
765,150 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core i7 640LM
3,338
Core i5 520UM
2,041
GeekBench (64-bit) Data courtesy Primate Labs
Core i7 640LM
3,538
Core i5 520UM
3,264
GeekBench
Core i7 640LM
5,084
Core i5 520UM
3,264
PassMark Data courtesy Passmark
Core i7 640LM
2,240
Core i5 520UM
1,349
PassMark (Single Core)
Core i7 640LM
1,048
Core i5 520UM
629
Specifications Full list of technical specs
summary | Core i7 640LM | vs | i5 520UM |
---|---|---|---|
Clock speed | 2.13 GHz | 1.07 GHz | |
Turbo clock speed | 2.93 GHz | 1.87 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
BGA 1288 | |||
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 | 25W | 18W | |
Annual home energy cost | 6.02 $/year | 4.34 $/year | |
Performance per watt | 21.08 pt/W | 17.43 pt/W | |
Typical power consumption | 20.31W | 14.63W | |
bus | |||
Architecture | DMI | DMI | |
Number of links | 1 | 1 | |
Transfer rate | 2,500 MT/s | 2,500 MT/s |
details | Core i7 640LM | vs | i5 520UM |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 4 | |
L2 cache | 0.5 MB | 1 MB | |
L2 cache per core | 0.25 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 | 16 | 8 | |
overclocking | |||
Overclocked clock speed | 2.8 GHz | 1.07 GHz | |
Overclocked clock speed (Water) | 2.13 GHz | 1.07 GHz | |
Overclocked clock speed (Air) | 2.8 GHz | 1.07 GHz | |
integrated graphics | |||
GPU | GPU | GPU | |
Label | Intel® HD Graphics | Intel® HD Graphics | |
Number of displays supported | 2 | 2 | |
GPU clock speed | 266 MHz | 166 MHz | |
Turbo clock speed | 566 MHz | 500 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 | 8,192 MB |
Intel Core i7 640LM ![]() | Intel Core i5 520UM ![]() |
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