Apple’s new iPad supports 120Hz and Variable Refresh Rates

At WWDC2017 today, Apple announces their new new iPad supports 120Hz and variable refresh rates:

“The Most Advanced Display Featuring ProMotion: The stunning, redesigned Retina® display in iPad Pro features ProMotion, a new technology that delivers refresh rates of up to 120Hz for fluid scrolling, greater responsiveness and smoother motion content. With ProMotion, Apple Pencil is even more responsive with an industry-best, 20-millisecond latency for even more fluid and natural drawing. ProMotion also improves display quality and reduces power consumption by automatically adjusting the display refresh rate to match the movement of the content.”

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3 Comments For “Apple’s new iPad supports 120Hz and Variable Refresh Rates”

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I was wondering if it was true variable refresh rate or a fixed variable refresh only when displaying 24hz video, etc.

But Apple’s Metal 2 session during WWDC17 cleared that up, and confirmed that TRUE variable refresh rate is indeed part of ProMotion! They synchronize the entire user interface to the display, so whenever the GPU output drops below 120fps for a moment to say 103fps, the iPad Pro display synchronizes it’s refresh rate to the drop. This eliminates all stuttering/jank from dropped frames throughout the interface, even when the GPU can’t keep up at 120fps you won’t actually be able to visually see the drop!

I think this is pretty huge and something I’ve wanted to see in mobile devices since we first heard of variable refresh tech with gsync, this should effectively eliminate any dropped frames from the interface during scrolling/panning/etc. which is arguably more important than the higher refresh rate alone. It’ll be great to see iOS devices return to the “buttery smooth” interface they were known for in the early days, even with optimization they’ve had trouble keeping iOS at a locked 60fps as the OS has grown so complex- doubling the refresh rate to 120Hz AND implementing variable refresh should completely solve this lingering issue in one swoop. Hopefully it comes to the new iPhones this year too! (and android devices at some point, they could arguably benefit from this even more)


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