Gateway AMD and Intel Laptops, a Platform Analysisby Jarred Walton on August 12, 2009 2:00 AM EST
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Battery Life Compared
Here we can see the flipside of the performance coin: the higher performance laptops all have worse battery life. In fact, looking at battery life relative to capacity, the NV58 is a lot closer to the MacBook than any other reasonably fast laptop we've tested. Apple uses the NVIDIA GeForce 9400M IGP, which definitely helps with power consumption and battery life. However, Apple also uses lower TDP processors and OS X seems to do a better job at keeping the CPU in low-power C-states than Windows. Hopefully we will see some improvement with Windows 7, but so far Windows is still an order of magnitude behind OS X.