The new PowerVR Series8XT GT8540 GPU uses Imagination Technologies' Furian architecture and provides an 80 percent fill rate gain over its predecessor. Even more, it can feed up to six 4K displays at 60 fps simultaneously.
https://www.notebookcheck.net/Imagination-unveils-four-cluster-PowerVR-Series8XT-GT8540-GPU.280274.0.html