According to the information we've received, the Galaxy S8 could use an Exynos 8895 processor with ARM's new Mali-G71 GPU. The new GPU is said to be up to 1.8 times as powerful as the Mali-T880 MP12 GPU used in the Exynos 8890-powered Galaxy S7. Moreover, this GPU is reportedly faster than the one from the Snapdragon 830 according to GFXBench results.
The Mali-G71 GPU uses ARM's brand new Bifrost architecture, which is claimed to offer high-end 4K and VR experiences. It is also compatible with Vulkan, OpenGL ES 3.2, GPU Compute, and Android RenderScript APIs. Running at 850MHz, the 16nm GPU can provide a throughput of 27.2Gpix/s, which is double than that of the Mali-T880 GPU running at the same frequency. However, it needs to be seen what frequency Samsung ends up using.
It is being rumoured that Samsung might use a 4K display in the Galaxy S8 and Galaxy S8 edge for a better VR experience. You should take this with a pinch of salt as it is preliminary information, and things can change by the time Samsung unveils the Galaxy S8 early next year.
