You may have difficulties with the choice of a mobile gadget, you will solve them by looking at full test Qualcomm QCS6490 3DMark score and decide is it a good phone with CPU or a bad one to buy, how powerful is this CPU. Here is useful information from 3DMark benchmark. A thorough review of all the technical characteristics, to make it easier to understand, is summarized in the table. The SoC is equipped with Adreno 643L GPU is working with graphics and provides a productivity of 1573 GFlops. After looking at the data this test and video, you already be able to understand do you need to buy mobile device with Qualcomm QCS6490 or not.
3DMark (Sling shot)
Although it should be realized that all the number in the text above do not mean that taking them into account you should fully trust a simple comparison of these figures. Be sure to watch the testing video and read the reviews of of people who bought mobile device with Qualcomm QCS6490 before deciding buy phone with this SoC or not.