Droid Turbo's long battery life, new tech offset weight

One of the more attractive features is a 21-megapixel camera, similar to the one in the recently introduced Nexus 6. The camera was easy to operate thanks to user-friendly software, and there's also an option to shoot 4K video. Driving the speedy application and graphics performance is Qualcomm's Snapdragon's 805 processor, which is capable of processing 4K video for storage on the handset.

A 64GB model weighs 176 grams, and feels somewhat heavy. By comparison, the recently introduced HTC Eye, which also has a 5.2-inch screen, weighs 160 grams. But size and weight sacrifices had to be made for the thick 3,900 millamp-hour battery, which provides the smartphone with two days of battery life on general use.

The battery life isn't much of an improvement from the predecessor, the Droid Maxx, which was introduced last year and had a 3,500 milliamp-hour battery. But with Droid Turbo, a higher capacity battery was needed to deal with the screen, higher-resolution camera and faster processor, a Motorola representative said.

Binge watching of TV shows could drain battery quickly, but like its predecessor, Droid Turbo remains the smartphone to beat on battery life.

There are also some innovative applications on the handset like Droid Zap, which allows users to share photos and videos with just a finger tap. The Moto Assist "learning engine" can change the smartphone profile depending on user behavior, background sounds and camera images. For example, the smartphone will be able to detect if a user is in a meeting, and shut down background noise for notifications.