The battery life on Apple’s new 3G iPhone isn’t great, but it beats that of other 3G smart phones we’ve seen. PC World’s Test Center ran it through our standard talk-time battery life test, and found that on average it ran 5 hours, 38 minutes, a running time that we consider earns a Fair rating.
That’s a big tumble from the superior performance of the original iPhone, which ran on AT&T’s slower EDGE network and lasted the maximum 10 hours of our testing time. But the 3G iPhone beat out the rest of the current 3G smart-phone pack, most of which fell shy of the 5-hour mark that’s the cutoff between a word score of Fair and one of Poor in our performance ratings.
Power-Hungry Networks
3G networks in general are notorious power drains, but the network type used by AT&T is particularly power-hungry because voice calls use the same mobile broadband network as data tasks. In contrast, the EVDO technology on which Sprint and Verizon base their 3G networks supports data only; voice uses older CDMA networks, which (in theory at least) use less power.
The good news for AT&T and other HSDPA/UMTS customers is that they can make voice calls while using their phones for data (that is, tasks such as browsing the Web or reading e-mail); Sprint and Verizon users cannot simultaneously do both.
And the good news for 3G iPhone owners is that they’re probably better off than other 3G handset owners in terms of battery life. But that won’t help when your 3G iPhone stops running at the end of a long and busy day.
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