Tougher does not necessarily mean harder. Looks like Armour 2 glass has traded hardness for toughness. I think that is better for some people that like to drop their phone because won't get a case, but I'd prefer the older Armour glass that was much more scratch resistant. I would definitely be putting a glass screen protector on the S25's, but they are such pathetic updates, I still won't be updating my S21. OnePlus 14(R) next year is highly likely to be my new phone.