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The 16-inch Intel-based MacBook also had a 100Wh battery, and it only provided around eight hours of usage, despite Apple’s quoted 11-hour battery life. Again, though, these metrics only tell us so much.
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In terms of hard numbers, the 14-inch MacBook Pro has a 70 watt-hour battery, and the 16-inch takes it all the way up to the FAA limit of 100Wh (the 13-inch M1 MacBook Pro has a 58.2 Wh battery, for comparison). Plus, some websites will drain your battery much faster than others. Even this unflattering test (for the new MacBooks, not the old ones) has limitations: last we heard, Apple runs it using its own Safari browser instead of the more popular (and, according to macOS’s Activity Monitor, more energy-hungry) Chrome. Apple’s estimate for the new 14-inch is 11 hours, the same as the 2020 Intel MacBook Air. Apple says the test involves browsing 25 popular websites using Wi-Fi, with screen brightness set to “8 clicks from bottom.” Under these conditions, the 16-inch MacBook Pro fails to beat even the M1 MacBook Air - it only gets 14 hours of life compared to the Air’s 15 hours.
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That point is backed up by the fact that Apple’s more realistic wireless web test tells a very different story. In a more realistic test, the 14-inch MacBook Pro doesn’t beat the Air - those numbers didn’t make it onstage Plus, modern CPUs have so much silicon dedicated to video playback that it’s almost become effortless for them.
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That’s not generally what people use their laptops for unless they’re marathoning the Lord of the Rings extended cuts. For one, Apple says these figures are derived from watching a movie using the Apple TV app. But using video playback as a measure of battery life is really only useful if you’re trying to sell a particular narrative - not if you just want to let people know how long their laptops will actually last. In its keynote and press release, Apple says the 14-inch MacBook Pro will provide 17 hours of video playback and estimates that the 16-inch model can last for an unprecedented-for-Macs 21 hours. But the metric Apple used to back up that claim is a bit suspect, and its other numbers tell a very different story. But there’s one big question that comes with the new sizes and processors: how’s the battery life? To hear Apple tell it, it’s going to be great - the company even said onstage that the 16-inch had the best battery life ever, besting last year’s M1 Macs (which it also boasted would have the longest-lived batteries). Apple’s new MacBook Pros are here, and they may actually live up to the “Pro” moniker.
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