In the characteristics under the spoiler: GPU Power VR SGX531.
In the photo 544th.
If the seller indicates MTK6589 paired with 531 turns - 99.9% is a fake, really worth MTK6577
Model with 4 cores and 12MP camera has a caption under the camera "12.0 MEGA HD"
Given the existence of two modifications with absolutely identical name and appearance, one should be very careful when ordering!