When it comes to comparing mediatek vs snapdragon it's quite tough for smartphone gamers to choose one of them. If you want a mid-range smartphone then you will mostly get MediaTek’s Helio processor in those smartphones because it is known as a cost-saving processor. If you like to play games in high settings then you have only one choice which is Qualcomm’s snapdragon processor which is built for high-end gaming.
Information source - https://tektechy.com/mediatek-vs-snapdragon-which-is-better/