It's pretty easy to bend an iPhone 6 Plus with your hands

iPhone 6 Plus Bend Test

The aluminum case of the iPhone 6+ was already a little bent when he started. When he repeats the bend test with a Galaxy Note 3, it bends but flexes back. He tries again, using as much force as possible, and the Note 3 gets a slight warp but doesn't break.

Galaxy Note 3 Bend Test (iPhone 6 Plus Follow-up)