Yes I'm expecting it to be more money but now I can research if I will have the benefit from the extra VRAM. I'm at 1440p resolution and play on microsoft flight simulator .
I wouldn't bother with the 20GB version unless your doing 4K or specific professional apps that need the VRAM, unless you have the money to throw around, also given how the 3080 launch prices got hiked, probably £1100+ for AIB models.