Both versions of the phone come with front- and rear-facing cameras, the rear camera on Sprint's phone has a higher megapixel count - 13 versus AT&T's 8. In test pictures, I found the Sprint camera produced truer-to-life colors while images taken with AT&T's phone had a yellower, golden overcast to them. One neat trick is the Cheese Shutter feature, which automatically snaps pictures via voice commands like, "Cheese" or "Smile." It didn't work in noisy settings like the press event where it was first demoed for me, but I had no problems in settings with lower volume levels. Both phones have a 1.3 megapixel front-facing camera for video chats, and the rear cameras do an excellent job capturing HD video.
Battery life is quoted at 10 to 13 hours of talk time, and I found both phones more or less lived up to this. I was able to get a full day's worth of checking emails, surfing the Internet and streaming online videos before having to recharge. Both phones also are equipped with LTE. Both phones were fast in and around New York City; AT&T's network is more widespread as Sprint has just started to roll out its LTE network in the U.S.
And for some, those LTE speeds will make the Optimus G a better choice than the Nexus 4, which we criticized for not having access to LTE networks in the U.S. That said, the Nexus 4 offers a cleaner software experience and Android updates as soon as Google releases them.
But bottom line: The Optimus G is a worthwhile choice for those seeking a larger-than-average smartphone.