Recently with the release of number of tablets its pretty confusing to select one for yourself , that's why i compared all these devices so that a user can go for the best. Both Kindle Fire as well as Nook Color are Android based Tablets , each having a 7-inch IPS LCD with a Screen Resolution of 1024 X 600 pixels and 1 GHz and dual-core processors. Kindle Fire is running an Android Version which is modified quiet heavily and is available at every Amazon's Gigantic Book Store. Whereas the Barnes & Noble Nook which is the best competitor to Kindle Fire. While Apple's iPad is installed with Apple's iOS 5. Before selecting a Tablet PC you need to ask yourself a question "For what purpose you will be using the Tablet" The Kindle Fire and Apple iPad 2 compete with each other as both of these gadgets provides almost the same facilities and functionalities. iPad has iTunes while Kindle provides the same thing with Amazon.
Nook tablet is a bit chunkier than Amazon Kindle Fire and iPad2(wifi), It has a thickness of about 0.48 inches. Kindle Fire is having a thinkness of about 0.45 while the apple iPad2 is the slimmest amongst the three tablets with a thickness of 0.34 inches.
Size and weight:
When it comes to size Amazon Kindle Fire is the smallest having (Height: 7.5 inches , Width: 4.7 inches , Thickness : 0.45 inches and wight : 0.91 pounds) followed by Nook Color having (Height : 8.1 inches , Width : 5 inches , Thickness : 0.48 inches and weight : 0.99 pounds) and whereas the Apple iPad 2 is the smallest with the folllowing Dimensions (Height : 9.5 inches , Width : 7.31 inches , Thickness : 0.34 inches and weight : 1.33 pounds)
The Nook Tablet is installed with the Android 2.2 version Froyo , Amazon Kindle Fire is also preinstalled with an Android OS (version not known yet) whereas the Apple iPad 2 is installed with Apple iOS 5.
Amazon Kindle Fire is released and is available at a Nominal Cost of $ 199.00 which is the cheapest amongst the three gadgets. Nook Color is available at cost slightly higer than the Amazon Kindle Fire at about $ 249.00. The iPad 2(wifi) is costliest amongst the three and is available at approximately $ 499.00
Refer the image below for a more detailed comparison
Despite of the price Apple iPad 2 will be the best gadget for you. But if you do not want to spend that much amount and still want the best you should definitely buy Amazon Kindle Fire