The Samsung Galaxy S3 also gives users of the device more than ten hours of video playback, which is better compared to the nine hours and twenty minutes for the iPhone 4S and eight hours for the Galaxy S2.

Samsung Galaxy SIII
Since the 4.8-inch display of the Samsung Galaxy S3 along with its quad-core processor drains power quickly, some industry watchers did not expect the battery life of the device to outlast its predecessor in the battery life department.
However despite the notable performance in video playback and talk time, the battery life of the Samsung Galaxy S2 appears limited to a little over five hours when browsing the net. In comparison, the iPhone 4S offers around seven hours of web browsing while the Galaxy S2 offers five hours and thirty minutes of web browsing.
However another hour or two may be added to the battery life of the Samsung Galaxy S3 when the Wi-Fi and 3G connections are turned off by the users.
It is also important to consider the fact that the Samsung Galaxy S3 unit used in the test was the pre-release model, which indicates that the performance may change. It may be possible for Samsung to modify the software of the device to improve its optimization with the different networks they would be used once the Samsung Galaxy SIII enters the market.
But with the recent test, it appears that the Samsung Galaxy S3 may provide enough battery life for the potential buyers of the device.

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