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Differences What are the advantages of each

Front view of Texas Instruments OMAP 4 (4430)

Reasons to consider the
Texas Instruments OMAP 4 (4430)

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More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of Intel Atom Z2420

Reasons to consider the
Intel Atom Z2420

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Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Jan, 2013 vs Jan, 2011 Release date over 2 years later
Slightly higher GPU clock speed 400 MHz vs 365 MHz Around 10% higher GPU clock speed
Slightly better overclocked clock speed (Air) 1.2 GHz vs 1.03 GHz More than 15% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 1.2 GHz vs 1 GHz Around 20% better overclocked clock speed (Water)

Features Key features of the OMAP 4 (4430)  vs Atom Z2420 

clock speed

OMAP 4 (4430)
1.2 GHz
Atom Z2420
1.2 GHz

gpu clock speed

OMAP 4 (4430)
365 MHz
Atom Z2420
400 MHz

overclocked clock speed (air)

OMAP 4 (4430)
1.03 GHz
Atom Z2420
1.2 GHz

overclocked clock speed (water)

Atom Z2420
1.2 GHz

Specifications Full list of technical specs

summary

OMAP 4 (4430)  vs
Atom Z2420 
Clock speed 1.2 GHz 1.2 GHz
Cores Dual core Single core

overclocking

Overclocked clock speed 1.03 GHz 1.2 GHz
Overclocked clock speed (Water) 1 GHz 1.2 GHz
Overclocked clock speed (Air) 1.03 GHz 1.2 GHz

power consumption

Typical power consumption 0.81W N/A

details

OMAP 4 (4430)  vs
Atom Z2420 
Architecture ARM x86
Threads 2 2
Manufacture process 45 nm 32 nm

integrated graphics

GPU GPU GPU
Label PowerVR SGX540 Integrated
GPU clock speed 365 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Channels Dual Channel Dual Channel
Texas Instruments OMAP 4 (4430)
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Intel Atom Z2420
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