Apple iPhone 5C vs. iPhone 4S: Battle of the Low-Cost iPhones
iPhone 5s, 5c, iOS 7 reviews are in: The good, the bad, and the ugly
iPhone 4S review
Under the microscope: Samsung Galaxy S4 vs. iPhone 5
iphone-4-vs-iphone-5-sizeiphone-5-vs-iphone-4s--how-the-specs-compare-apple
iPhone 5S vs Sony Xperia Z1: in-depth camera comparison