If genuine, it would mean that Apple has done away with the rounded edges introduced in the original iPad.
The images also suggest that Apple has introduced speaker grilles on either side of Lightning port.
Previous rumours have claimed that both the iPad and the iPad mini will feature smaller bezels.
Apple is expected to unveil the iPad 5 and iPad mini 2 later this year.
The company is believed to be holding an event next month to announce the next generation of iPhones. It is currently unclear if it will hold a separate event to announce the two new iPads.