Recently there was a test carried out by a YouTube channel named ElectronicsBreak with 4 devices including Moto X, Samsung Galaxy S4, iPhone 5S and iPhone 5C. They carried out three different types of test which includes Drop Test, Slide Test and Water test.

During the tests, Motorola's Moto X remained on top in all tests overall while Samsung's Galaxy S4 remained at bottom in the results. Have a look at this Video showing hardcore tests of all these devices: