Droid Phone Guide

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Things to look for when shopping for a Droid Phone
Processor / CPU Selection

Processor selection is important!
There are many low priced Droid Phones available with processors that are inadequate, too slow to render video, or even give a tolerable user experience.
Pay attention to the DMIPS. DMIPS/MHz is an indicator of the amount of work done by the processor (per million clock cycles). The DMIPS Number in the Table below represents the Processor Clock Speed multiplied by the DMIPS/MHz rating for that particular processors architecture. This yields a quantitative (per second) number that may be used as an indicator of processor speed and performance.
A higher number represents better / faster performance.

Processor / CPU

Snapdragon

OMAP

Hummingbird Snapdragon
OMAP 3 OMAP 4 S3 S4

Qualcom

Texas Instruments Imagination Technologies Qualcom
QSD 8250 QSD 8650 QSD 8255 QSD 8655 PowerVR SGX530
Yes, the same Imagination Technologies Product
PowerVR SGX540
Yes, the same Imagination Technologies Product
PowerVR SGX540 APQ8060
Specs

Used in Samsung Galaxy S II

APQ8064
Quad Core

Adreno 320 quad-core GPU

ARM 7 with first generation Graphics Processorrrr ARM 7 with second generation Graphics Processor ARM Cortex A8
(Droid X, iPhone 3G)
ARM Cortex 9
(Same Processor as Hummingbird)(iPhone 4)
ARM Cortex 9 ARM Cortex A9 ARM Cortex A15
Not out until 2012
1 GHz 1 GHz 1 GHz 1 GHz 1.5 GHz 2.5 GHz
680 DMIPS 2000 DMIPS 2500 DMIPS 2500 DMIPS 3750 DMIPS 8750 DMIPS
http://www.qualcomm.com http://www.ti.com http://www.ti.com http://www.imgtec.com http://www.qualcomm.com
Archetecture DMIPS/MHz
ARM 7 .68
ARM 9 1.1
ARM 11 1.2
ARM Cortex A8 2.0
ARM Cortex A9 2.5
ARM Cortex A15 3.5 (in 2012)
DMIPS/MHz is an indicator of the amount of work done / MHz

Presently, I recommend looking for at least the OMAP  Processor.
If the Processor is too slow, purchasing the Droid Phone will limit your upgrade potential and enjoyment using the device.
This is one of the first and most important specifications I look for, when choosing a Droid Phone.

Side By Side Comparison of Processors in Droid Phones (keep in mind one is sped up by Droid 2.2)

NOTE:
Apple iPhone 4 uses a 1GHz Apple/Samsung A4 Chip which is a Cortex A8 Processor - PowerVR SGX535 (2000 DMIPS)
Apple iPhone 5 uses a 1 GHz Apple/Samsung A5 Chip which is a Cortex A9 Processor - PowerVR SGX543MP2 (2500 DMIPS)
Snapdragon S4 Chip data best available online at the time of this writing. It is not out yet, so some information may be speculative.

Android Operating System Selection

There are many Droid Phones with many different versions of the Android Operating System.
As the Android Operating System evolves, it gains more compatibility, and abilities.
One key area of popular concern is the version of Adobe Flash the Operating System is compatible with.

Android Versions and Adobe Flash Support

Android 2.1 Flash 8.1
Android 2.2 Flash 10.1
Android 2.3 Flash 10.2

Your Phone may have issues rendering Flash content utilizing only the latest Flash version.
This would be most apparent when browsing the web sites utilizing content in the latest Flash version.
For this reason you want to select a Droid Phone with the most up to date version of the Android Operating System.
Newer versions of Droid are also more efficient. This speeds up the operation of your Droid Phone.
Make sure the manufacturer of your Droid Phone will be providing flash / operating system updates for your Droid Phone, if it is customized.
Considering the vast selection of devices currently available with at least the Android 2.1 Operating System, I would presently recommend 2.1 be the lowest version of the Android operating system you consider.
Do not attempt to flash your Droid Phone with a flash update that is not specifically for your Phone, as it will most likely render it non-functional!
This is also one of the first and most important Specifications I look for when choosing a Droid Phone. More on Android 2.3 Gingerbread.

Built in Storage Capacity

Most of the Droid Phones offer Built in Storage. The capacity of the storage in Gigabytes (Gb or Gig) varies.
More is better!
This is the actual space that most or all your apps and common personal files, videos, pictures, etc. will reside in.
Note: You will want to obtain a micro SD memory card for additional storage
Do not confuse the 256 Meg, 512 Meg, or 128 Meg of DDR2 RAM / Memory with the Flash Memory used for storage. (More is better here too!)

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