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haxxiy on 26 July 2013
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Viper1 said:
smbu2000 said:
 

Haswell consumes less power than IB for the same performance. Take a look at a 2013 MacBook Air review. Last years MBA used a 1.8ghz( up to 2.8ghz turbo) i5 IB (1.7ghz i5 in the 11"), but this years MBA uses a 1.3ghz (up to 2.6ghz turbo) i5 Haswell. Performance remains consistent between this years MBA and last years MBA, but the battery life had a substantial increase. Last years 13" MBA had a 7hr Max battery life and this years model has a 12hr max battery. Pretty much everything is the same between the 2012/2013 MBA except for the Haswell CPU. The CPU now uses less power and can perform similarly at lower clock speeds which improves battery life. 

http://www.anandtech.com/show/7085/the-2013-macbook-air-review-13inch/6

Just curious but do you know if Apple is using the exact same battery between the 2 models?


He doesn't, for they aren't. There are other different components, too, and a quick search over the net showcases how the battery life spent ob various tasks remain just about the same.

http://www.macrumors.com/2013/06/11/teardown-of-new-mid-2013-macbook-air-reveals-smaller-ssd-increased-battery-capacity/

Amazing for how long after Jobs has died the reality distortion field will still work huh.