BlackBerry PlayBook

Credit: Slashgear

Blackberry playbook is, thought to be one of the most powerful competitor of iPad, developed by Research In Motion Ltd.

It is 7 inches diagonally in size. It has height of 5.1 inches, width of 7.6 inches, depth of 0.4 inches and weight of 0.9 lbs. It has a dual core processor of 1 GHz and 1 GB RAM.

It has front and rear cameras, 3MP and 5MP respectively and covered with plastic in the back and in the sides. It is not operated on the Google's Android but has its own operating platform. It has battery life of about 10 hours same as that of iPad-2. Its browser supports adobe flash 10.1.

Credit: Blackberry.com

Its price ranges from 400$ to 699$ which is according to memory size.