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macbook123

macrumors 68000
Original poster
Feb 11, 2006
1,869
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I just did a comparison, light browsing on both side by side, screen at 50% brightness. Got 6:45 out of my almost 5 years old 2012 rMBP (which has an old battery), 4:13 out of my new rMBP. The new MBP is also only marginally faster, 10% for most CPU intensive applications I use. Needless to say, the new one, which doesn't even have USB ports or a Macsafe power plug, is going back.
 
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