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Differences What are the advantages of each

Front view of Intel Core i7 640M

Reasons to consider the
Intel Core i7 640M

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Atom Z530P

Reasons to consider the
Intel Atom Z530P

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CPUBoss is not aware of any important advantages of the Atom Z530P vs the Core i7 640M.

Features Key features of the Core i7 640M  vs Atom Z530P 

clock speed

Core i7 640M
2.8 GHz
Atom Z530P
1.6 GHz

L2 cache

Atom Z530P
0.5 MB

overclocked clock speed (air)

Core i7 640M
3.37 GHz
Atom Z530P
1.6 GHz

overclocked clock speed (water)

Core i7 640M
2.8 GHz
Atom Z530P
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Core i7 640M  vs
Atom Z530P 
Clock speed 2.8 GHz 1.6 GHz
Cores Dual core Single core
Socket type
BGA 1288
rPGA 988A
437

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 2.2W
Annual home energy cost 8.43 $/year 0.53 $/year
Typical power consumption 28.44W 1.79W

details

Core i7 640M  vs
Atom Z530P 
Architecture x86-64 x86
Threads 4 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Transistor count 382,000,000 47,000,000
Max CPUs 1 1
Clock multiplier 21 12

overclocking

Overclocked clock speed 3.37 GHz 1.6 GHz
Overclocked clock speed (Water) 2.8 GHz 1.6 GHz
Overclocked clock speed (Air) 3.37 GHz 1.6 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 500 MHz N/A
Turbo clock speed 766 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1
Intel Core i7 640M
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Intel Atom Z530P
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