The venerable PowerVR GPUs will be replaced with the new A-series IP that brings significant performance improvements for the high-end and mid-range mobile GPU models. Top-of-the line will be the AXT 64-2048 GPU that is estimated to be 2.5X faster than the current Series 9XM Rogue-based model.
https://www.notebookcheck.net/Imagination-announces-the-A-series-smartphone-GPUs.445715.0.html