With the launch of the iPhone 6 and iPhone 6 Plus already underway in several countries, many companies have begun performing tests and benchmarks on the device. PhoneBuff has taken the two devices and put them through a drop test, dropping each on its back, side and front.
Based on this one test, both phones may have performed worse than the iPhone 5 design which was described as "very durable" and survived similar drops in a previous drop tests. Without standardized testing, it's hard to draw definitive conclusions.
Article Link: iPhone 6 and iPhone 6 Plus Get Cracked in First Drop Test