[Q] Performance in WP8.1/W10M

Hello,I have L930 and i wanna ask one think...when one game perform good on wp8.1 ....does it perform same on w10m or it is a bit slower? i mean,GTA San Adreas runs pretty good on L930 W8.1.....but i wanna buy it on W10M ...and i am worried about lags,freezes and etc.So does games perform same on both systems?