Vine hikes video quality to 720p; iOS users can record HD clips, Android users will have to wait
By raising the resolution of videos uploaded to the site, it will allow Vine users with an action camera to post some exciting videos in HD. And yes, you can certainly tell the difference between video shot in 480p and those shot in 720p. It isn't clear whether the higher resolution will carry over to the Vine Kids app, which is a version of Vine designed for the little ones.
Vine says that the update will be rolling out in the next few days for both iOS and Android users. When you see the difference in detail on your phone or tablet, you'll be glad that Twitter decided to do this.
source: Vine (iOS|Android) via SlashGear