The leaked phone features the distinctive red circle Home button which has so far been a trademark for the Nubia-branded handsets. So it definitely might be the Z9. Then again, do keep your grain of salt around for this one, as the images both come from the same source.
Speaking of which, the person leaking these claims the Nubia Z9 should launch before the end of the year, and will be sold in China by ZTE in partnership with JingDong Mall, one of the biggest online retailers over there.
Unfortunately though, no other details about the smartphone have been leaked alongside the images. So for now there's nothing we can tell you about its specs, pricing, or anything like that. If it is real and coming soon, though, we assume we'll be treated to more leaks in due course.