Creative and innovative UX features popular with Optimus G users have been added to the Optimus G Pro, such as an upgraded QSlide, Live Zooming and QuickMemo.

ENGADGET: LG's 5.5-inch Optimus G Pro is the first with a Snapdragon 600 quad-core CPU

The Optimus 4X HD also comes with Media PlexTM, which combines a range of functions to enhance image and video playback such as Fingertip Seek and Live Zooming.

ENGADGET: LG's Optimus 4X HD officially making its way to European locales June 11 (update)