Samsung Galaxy S5, reportedly having an eye scanner and 5.25-inch 2K resolution display, will be showcased at Mobile World Expo at Barcelona in February, hinted Samsung's VP (Design) Doon-hoon Chang. Earlier, a Samsung device believed to be Galaxy F (S5’s higher-end variant) having 3GB RAM, 2.5GHz processor, 16MP rear camera and running Android 4.4 Kitkat already appeared on AnTuTu benchmarks.