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Differences What are the advantages of each

Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Much higher clock speed 3.3 GHz vs 0.9 GHz Around 3.8x higher clock speed
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.43 GHz vs 0.9 GHz More than 3.8x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.46 GHz vs 0.9 GHz More than 3.8x better overclocked clock speed (Water)
Newer Sep, 2012 vs May, 2010 Release date over 2 years later
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Front view of Intel Atom Z612

Reasons to consider the
Intel Atom Z612

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Much lower typical power consumption 2.44W vs 44.69W 18.3x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 0.72 $/year vs 13.25 $/year 18.3x lower annual home energy cost
Much lower annual commercial energy cost 2.63 $/year vs 48.18 $/year 18.3x lower annual commercial energy cost

Features Key features of the Core i3 3220  vs Atom Z612 

clock speed

Core i3 3220
3.3 GHz
Atom Z612
0.9 GHz

L2 cache

Core i3 3220
0.5 MB
Atom Z612
0.5 MB

overclocked clock speed (air)

Core i3 3220
3.43 GHz
Atom Z612
0.9 GHz

overclocked clock speed (water)

Core i3 3220
3.46 GHz
Atom Z612
0.9 GHz

TDP

Specifications Full list of technical specs

summary

Core i3 3220  vs
Atom Z612 
Clock speed 3.3 GHz 0.9 GHz
Cores Dual core Single core

features

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

details

Core i3 3220  vs
Atom Z612 
Threads 4 2
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.43 GHz 0.9 GHz
Overclocked clock speed (Water) 3.46 GHz 0.9 GHz
Overclocked clock speed (Air) 3.43 GHz 0.9 GHz

power consumption

TDP 55W 3W
Annual home energy cost 13.25 $/year 0.72 $/year
Annual commercial energy cost 48.18 $/year 2.63 $/year
Typical power consumption 44.69W 2.44W
Intel Core i3 3220
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Intel Atom Z612
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