The 8MP camera can combine several virtual pixels into one virtual one, to create higher quality, albeit lower resolution images, especially in low light. (androidauthority.com)
(UPDATED: Images of Samsung Galaxy Tab E 9.6 now available too) The catalogue listing leaks the first image of it too, even if it's a very low resolution image. (tabletmonkeys.com)
These are slightly lower resolution images, but generally higher resolution than if you just did a «Save image as» for it. (mybookcave.com)