Iphone SE 2020 version

How good is it as a secondary but for alot gaming? Thinking of buying for my friend. Not a apple guy so idk much. He's using the same phone rn but it's hella laggy. I wanted to give him a s21 but I can't give him a different phone cus he's mum will know. If it's laggy and bad I might get se 2 instead. But it's like 2x the price