Asus has finally unveiled the regional pricing of their ZenFone 2 family of smartphones - from the 16GB ZE550ML to the 64GB ZE551ML! If you don't know the differences yet, the highest model ZenFone 2 rocks 4GB RAM and a 1080p display, while the most affordable one comes with only 2GB RAM and 720p resolution. Asus ZenFone 2 specs: 5.5 inch IPS LCD display @ 1920 -1080 pixels, 403ppi Corning Gorilla Glass 3 Intel Atom Z3580 64bit 2.33GHz quad-core PowerVR G6430 GPU 2GB and 4GB LPDDR3-1600 RAM 16GB, 32GB and 64GB internal storage LTE Cat.