Well, I don't want to sound condescending but the headphones I'm recommending are both priced well above HD485, apart from being highly appreciated (mostly) in the audiophile community. Also, HD650 is known to be very comfortable and having 15 headphones to compare, I can tell you that you can go for it without a second thought. It's a very nice investment for one's ears =)

I have tritton 720+ and they also hurt my ears after a while. It is because they put the sliding part to low, so it minimaly adjusts the width. (probably to maximise the ear/top of head proportion) Or I have sensitive parts near my ears?

Tritton 700 series are pretty decent for gaming. However, gaming headsets aren't designed for long term listening. Maybe you can consider getting something like Beyerdynamics DT990 Pros as an all-round headphone for daily use.