« The GoPro Hero 3 gets smaller by 30%, faster by a factor of two, and shoots 4K video at 15 frames per second.
For filming sports, I’d rather have something like 120 FPS at 720p than 15 FPS at 4K, but that’s pretty awesome either way. GoPro Hero 3 Goes To 11, and Shoots in 4K | Wired Business | Wired.com