iLounge reviewed the iPhone 4S and noticed something important after a battery comparison test. In Apples official specifications, the company claims the iPhone 4S has an improved talk time but worse standby time as compared to the iPhone 4, iLounge tested this. “For tests with 3G Data, Audio Playback, Video Playback, and Video Recording, iLounge found that the iPhone 4S came in under the iPhone 4 battery life times. For Wi-Fi and FaceTime testing they found it to be similiar to the iPhone 4, and on Cellular Calls, they found the iPhone 4S slightly better.” The Graphic above is showing better details.
The conclusion about the iPhone 4S battery:
If you spend much of your day near a Wi-Fi network and only rely upon the iPhone 4S for web browsing and phone calling, you will not notice a major difference—unless you are thinking of switching to Sprint, in which case we would be a little concerned. Similarly, if you use 3G data, plan to record or play videos, or want to listen to hours of audio during the day, you can expect greater battery drain from the iPhone 4S.