AT&T is Samsung's exclusive U.S. partner for the Galaxy S4 Active that I've been testing. The phone costs $199.99 with the customary two-year contract, same as AT&T charges for the standard S4.

Like its Galaxy S3 predecessor, Samsung's Galaxy S4 is going to be the phone to take on the iPhone (and the next iPhone) and the other current top Android phone – the HTC One.

Samsung's Galaxy S4 is without a doubt a top-two Android contender against the HTC One, and a top-five handset when you include reps from each other major OS -- the iPhone 5, BlackBerry Z10, and ...

The Galaxy S4’s battery holds a bit more juice. Many other factors determine actual battery life, though, and the Galaxy S4’s battery powers a display with over a million extra pixels.

Samsung’s Galaxy S4 is going on a year old, but it’s still one of the best Android phones money can buy. However, just because the GS4 is a great smartphone does not mean that everyone will ...

The Samsung Galaxy S4 is expected to have a full-HD 1920x1080 display (up from 1280x720 on the S3) -- and the display might even make the jump from 4.8 inches to an edge-to-edge 5 inches.

If Samsung's Galaxy S4 is more phone than you think you need, the electronics giant has just offered up the smaller, more midrange -- and surely cheaper -- Galaxy S4 Mini. Like a decaffeinated ...

Samsung is not announcing pricing at the moment, but said it would be in line with what you would expect from a premium Samsung smartphone. The Galaxy S 3 costs $199 with a two-year contract.