The S6 is great for Gear VR. Just watching videos (youtube, netflix, Samsung VR) I can get about an hour and 15 minutes before overheating. Playing intense games (Wands, Altspace VR, Dragon Front, etc) I get a bit over 45 minutes. Sometimes I use Velcro to attach an ice pack to the front. With it, I've never gone long enough to get the overheating message (the longest I've gone is an hour and 45 minutes). I also never run into performance issues, I always have a steady 60 fps. If you can afford it, get the S7 of course, but otherwise, the S6 is great. Read more