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All iPads 4k

M

max2

macrumors 603
Original poster
May 31, 2015
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Do you think iPad tablets or iPhones will ever come with 4k screens sooner or later ?
 
4k is mainly marketing, especially for small devices like tablets and laptops...
My Surface Book 2 15in has a 4k display, but the ppi is basically the same as any iPad with retina display, other than the mini. The mini would still have a higher ppi than a 12.9 pro in 4k. Can I tell the difference? No. Anything above 190 ppi I can’t see the pixels... 1080p 13.3in I can see the pixels, but reduce that under 12in and I cannot see them anymore...
 
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Digitalguy said:
4k is mainly marketing, especially for small devices like tablets and laptops...
My Surface Book 2 15in has a 4k display, but the ppi is basically the same as any iPad with retina display, other than the mini. The mini would still have a higher ppi than a 12.9 pro in 4k. Can I tell the difference? No. Anything above 190 ppi I can’t see the pixels... 1080p 13.3in I can see the pixels, but reduce that under 12in and I cannot see them anymore...
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Agree. I have a 4K 13" laptop and would not pay a premium again for 4K at that size range. The display on my 2018 12.9 Pro is every bit as good.
 
Since the iPad is 4:3 it would not be true 4K but the resolution would be high enough that no one would be able to tell the difference.
 
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That's not really how iPad resolutions work. Using the 12.9" as an example, it has a point resolution of 1366x1024 - that is to say if the display wasn't retina, it would have a physical resolution of 1366x1024 pixels. As it is an @2x retina display, it has a physical resolution of 2732x2048, so each point is displayed across 4 pixels, giving more sharpness to the image without changing its size. So the next logical step would be @3x, this is something we have seen on some iPhones, but not yet on an iPad. With that each point is displayed across 9 pixels (3x3 grid) so would require a physical resolution of 4098x3072. You could call that '4K' but it's not really what you're talking about. I do think this has a decent chance of happening, eventually, though that's a lot of pixels to push for a device that needs to maintain decent battery life, so perhaps a way off yet still.
 
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Falhófnir said:
That's not really how iPad resolutions work. Using the 12.9" as an example, it has a point resolution of 1366x1024 - that is to say if the display wasn't retina, it would have a physical resolution of 1366x1024 pixels. As it is an @2x retina display, it has a physical resolution of 2732x2048, so each point is displayed across 4 pixels, giving more sharpness to the image without changing its size. So the next logical step would be @3x, this is something we have seen on some iPhones, but not yet on an iPad. With that each point is displayed across 9 pixels (3x3 grid) so would require a physical resolution of 4098x3072. You could call that '4K' but it's not really what you're talking about. I do think this has a decent chance of happening, eventually, though that's a lot of pixels to push for a device that needs to maintain decent battery life, so perhaps a way off yet still.
Click to expand...

The mini LED could assist with this or even the potential OLED.?
 
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