The lg g3 and apple iphone 6 are flag ship phones for there manufacturers. The lg g3 is a bigger phone with a better camera, bigger screen and resolution, and faster processor. Putting this into consideration the iphone 6 is still a very nice phone as well. It has an aluminum build with stainless steel and packs a 4.7 inch screen. Each phone has there own unique features but when it comes to overall performance the lg g3 wins by a long shot.