As of 2015, the Samsung Galaxy S6 and the iPhone 6 are two of the best smart phones in the world, according to TechRadar. The S6 operates on the Android system, while the iPhone 6 utilizes the iOS.
The Samsung S6 features 3 gigabytes of onboard memory and offers up to 128 gigabytes of memory for storage. The screen measures 5.1 inches and features a 1440p resolution. The phone features both rear- and front-facing cameras, with the rear camera utilizing 16 megapixels and the front capable of 5 megapixels.
The iPhone 6 has a slightly smaller screen, measuring 4.7 inches. The iPhone 6 has an upgradable storage capacity of up to 128 gigabytes, but its memory holds 1 gigabyte.