That doesn’t make much sense: users of the Msi Wind Forums reported today that Mac OS X 10.5.7 brought a big gain in netbook battery life Hackintosh, but there is no way to know if this was something on Apple's part.
In normal situations, it is expected that the Cupertino team does not waste time optimizing its operating system for Atom hardware, but the novelty may be the result of general software improvements or, who knows, just a false alarm. Hopefully, since good battery life is crucial on a netbook, and this has always been viewed as negative by adventurers who decided to install Mac OS X on unauthorized PCs.
At least one person claims that their MSI netbook went from an average of 3 hours and 45 minutes to 5 hours and 5 minutes (33% more) after the upgrade on a six cell battery with 4,400mAh. It is curious, however, that Apple does not comment on battery improvements in the Leopard 10.5.7 release notes.
Can someone in such a situation give us an opinion?