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Earlier this week, Yardena Arar of PC World ran some tests on the battery life of the iPhone 3G against its 3G AT&T counterparts. While the iPhone did come out ahead, some people thought the report was incomplete without testing some 3G, meaning EVDO, BlackBerry models. So Arar ran some more tests, and found that EVDO BlackBerry devices have a better battery life than the iPhone 3G. Arar suggests that this is because on CDMA networks, voice and data use separate radio frequencies, which helps the battery life. Whereas on AT&T’s 3G network, voice and data are on the same bands. So we might have to reserve judgment until the Bold is released. Regardless, it seems that as far as current 3G wars are going, BlackBerry has the battery life advantage.

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