xtreme comparision Xtreme 1.0Xtreme 3.0Xtreme 360Explore >Explore >Explore >Resolution1024*600px1280*720px1280*720pxTFTQLEDQLED4G Sim SlotNoYesYes360 View CameraNoNoYesRAM4GB4GB / 6GB4GB / 6GBInternal Memory64GB64GB / 128GB64GB / 128GB