If u want gaming then 20 pro is better it is 14% more efficient in gaming than 30 pro also it has 256gb storage while 30 pro has only 128gb but for overall perspective 30 pro is better than 20 pro it has more nits,better performance ,AMOLED display etc .
If u want gaming then 20 pro is better it is 14% more efficient in gaming than 30 pro also it has 256gb storage while 30 pro has only 128gb but for overall perspective 30 pro is better than 20 pro it has more nits,better performance ,AMOLED display etc .