Chromium is notoriously slow at rendering GIFs. It used to be faster than Firefox, but years ago it went downhill. On a forum I visit, people would basically troll Chrome users by posting hundreds of animated smilies. On Firefox and Safari, there is little effect, while it chugs Chrome down to a halt.

maybe not 100% from doing a quick test, more like 30% nowadays but that can use up power quick still