minecraft 1.17.1

So, I've recently noticed that my friend and I have some pretty big FPS differences in Minecraft with and without shaders. I have an RTX 3060, i7-7700KF, 16 GB RAM. He has an RTX 3060, a Ryzen 5 3600 and 16 GB RAM, but he gets around 120-150 FPS with the BSL shaders and Optifine on 1.17.1 and 48...