For example you can't decide which with processor to buy a phone, you can make a decision by looking at the MediaTek MT8766 3DMark score test and understand is it a good mobile gadget with SoC or a bad one to buy, how powerful is this chipset. Here you can find all information from 3DMark benchmark. A thorough analysis of all the specifications, so that it can be easier to understand, is summarized in the table. The chipset is equipped with PowerVR GE8320 GPU works with graphics with a performance of 126.8 GFlops. After looking at the data this test and video, you can already make an informed decision about do you need to buy phone with MediaTek MT8766 or not.
3DMark (Sling shot)
All the figures in the text above do not mean that taking them into account you should entirely trust a simple quantitative comparison. Better to watch the testing video and read the opinion of of people who bought phone with MediaTek MT8766 before making a decision buy mobile device with this SoC or not.