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Differences What are the advantages of each

Front view of Intel Core i7 720QM

Reasons to consider the
Intel Core i7 720QM

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CPUBoss is not aware of any important advantages of the Core i7 720QM vs the Atom Z620.

Front view of Intel Atom Z620

Reasons to consider the
Intel Atom Z620

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CPUBoss is not aware of any important advantages of the Atom Z620 vs the Core i7 720QM.

Features Key features of the Core i7 720QM  vs Atom Z620 

clock speed

Core i7 720QM
1.6 GHz
Atom Z620
0.9 GHz

L2 cache

Atom Z620
0.5 MB

overclocked clock speed (air)

Core i7 720QM
2.52 GHz
Atom Z620
0.9 GHz

overclocked clock speed (water)

Core i7 720QM
1.6 GHz
Atom Z620
0.9 GHz

Specifications Full list of technical specs

summary

Core i7 720QM  vs
Atom Z620 
Clock speed 1.6 GHz 0.9 GHz
Cores Quad core Single core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core i7 720QM  vs
Atom Z620 
Threads 8 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.52 GHz 0.9 GHz
Overclocked clock speed (Water) 1.6 GHz 0.9 GHz
Overclocked clock speed (Air) 2.52 GHz 0.9 GHz

power consumption

TDP 45W 3W
Annual home energy cost 10.84 $/year 0.72 $/year
Typical power consumption 36.56W 2.44W
Intel Core i7 720QM
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Intel Atom Z620
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