The top best greenest smartphones include the Motorola Citrus, iPhone 4S, LG Remarq, Samsung Captivate, iPhone 5 and Samsung Evergreen. In the green department, the iPhone 5 scores 2.75 while the Samsung Galaxy S III scored 2.99 according to HeathlyStuff.org (read iPhone 5 vs Samsung Galaxy S III comparison).
The sales of both super smartphones have been excellent with each one with different features. The Samsung Galaxy S III may have gotten a higher score due to its much larger size and components.