Battery Life Compared: iPhone 4 Vs. iPhone 3GS

News | Thursday July 1 2010 6:44 AM | Comments (0) Tags: , , ,

have conducted a study that puts this claim to test. For the analysis, James Galbraith from
unit and another unit that is a year old. Explaining the test routine, Galbraith writes:
“[W]e set the screens to full brightness and rented a standard definition video (Shaft’s Big Score) from the iTunes Store’s 99-cent library, which took about 45 minutes for the phones to download over the office Wi-Fi network. We then played the 1 hour and 43 minute movie in widescreen mode.
Next, I downloaded the free Pandora application from the App Store over 3G and then surfed the Web while Pandora streamed music in the background.”
has observed that the iPhone 4 battery lasted nearly 31% longer than the newly purchased iPhone 3GS. Also, the iPhone 4 has been observed to last nearly 40% longer than a year-old iPhone 3GS model.
that are exclusive to iPhone 4 could potentially consume more battery. Galbraith writes that a parallel test was conducted where these two apps were alternately run on the
. The battery life in this case was noted to drain nearly 50% faster. This probably explains why Apple has not offered iMovie on the older iPhone 3GS model.
What are your observations regarding the iPhone 4 battery life? Does it last longer than your older iPhone ? And is that good enough for you? Let us know in the comments.

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