iLounge publishes their review of the iPhone 4S and provides one of the more extensive battery comparison testing we've seen for the new model. There's been some ongoing debate in our forums about how the iPhone 4S's battery compares to the iPhone 4. In Apple's official specifications, the company claims the iPhone 4S has an improved talk time but worse standby time as compared to the iPhone 4. iLounge put the two devices to the test.
For tests with 3G Data, Audio Playback, Video Playback, and Video Recording, iLounge found that the iPhone 4S came in under the iPhone 4's 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.
For a detailed and complete list of data see iLounge's review. This graph compiles some of the data (AT&T only):
One interesting finding with 3G data was that while their Verizon 4S unit ran for the same time as the AT&T model (~ 5 hours and 54 minutes), they found the Sprint model to lag at 5 hours and 23 minutes. Comparisons across mobile providers may not be completely fair due to differences in signal strength which could impact battery life.
For tests with 3G Data, Audio Playback, Video Playback, and Video Recording, iLounge found that the iPhone 4S came in under the iPhone 4's 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.
For a detailed and complete list of data see iLounge's review. This graph compiles some of the data (AT&T only):
One interesting finding with 3G data was that while their Verizon 4S unit ran for the same time as the AT&T model (~ 5 hours and 54 minutes), they found the Sprint model to lag at 5 hours and 23 minutes. Comparisons across mobile providers may not be completely fair due to differences in signal strength which could impact battery life.
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