The Galaxy S6 is made from an aluminum body covered with glass (Gorilla Glass 4, on the front and back) and features a 5.1" QHD (2560x1440, 577ppi) Super AMOLED display. The GS6 has an octa-core CPU (quad-2.1Ghz and quad-1.5Ghz), 3GB of RAM, 16 MP camera, LTE cat6, Android 5.0 and wireless charging support.
The GS6 will launch on April 10th 2015, and can already be bought unlocked for around $850. Samsung also released a variant called the GS6 Edge which shares the same features but with a screen that curves on both edges.
5.1" QHD (2560x1440) Super AMOLED