In Mark Gurman’s latest report he claims Apple is “considering” making the upcoming non-Pro Vision headset “reliant on a tethered Mac or iPhone”. […] But at closer inspection, there are a number of reasons this probably couldn’t work, and it’s simply a bad idea even if it could. […]

The real issue is that devices without a cooling fan like smartphones cannot sustain their peak performance for more than a few dozen minutes at the absolute most. […]

Even if this problem could be magically solved by some future cooling system, an iPhone’s battery is three times smaller than the battery attached to Apple Vision Pro, which weighs almost twice as much as an iPhone.

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