The 82 feels better in your hand. The body seems like it would withstand incidental contact with the elements better than the UV-5R, but it's not waterproof. It also has fewer sharp edges to snag on things. The 82 is about 1" taller (body only) than the 5R.
How far can Baofeng receive?
A BaoFeng handi-talkie using VHF maxes out at about 30 miles under ideal conditions and with a few tricks and tweaks.4 dic 2020
What's the range on a Baofeng UV-5R?
Your Baofeng UV-5R is a transceiver: that is, both a transmitter and a receiver. With a full battery and in full power mode, it will give you a range of about 10–20 km depending on obstacles. Maybe even more, depending on propagation.