How much of the 1gb ram will be used up solely by the display?

yachtmac

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Original poster
Apr 30, 2010
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Or how much extra ram will be available on the new iPad after allowing for the new screen?
 

vincenz

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Oct 20, 2008
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Why exactly is this important? If it works and it works well, what's a number going to do?
 

AceCoolie

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Jun 19, 2009
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3 meg. W x H x bits per pixel / 8. Keep in mind this is just one frame buffer. Most apps will use double or triple buffering (multiple copies of the frame buffer) to render into and then switch on a vsync to avoid tearing artifacts. As far as textures etc, that is up to each individual app.
 

Chupa Chupa

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Jul 16, 2002
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Look at it this way:

Double the resolution, double the RAM of that in iPad 2 + beefier GPU.
 

screensaver400

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Yeah, except it's four times the pixels.
 

yachtmac

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Original poster
Apr 30, 2010
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Agreed.

Why exactly is this important? If it works and it works well, what's a number going to do?
The point of the question is to try to find out if it will work ok or perhaps be worse than the iPad 2.

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3 meg. W x H x bits per pixel / 8. Keep in mind this is just one frame buffer. Most apps will use double or triple buffering (multiple copies of the frame buffer) to render into and then switch on a vsync to avoid tearing artifacts. As far as textures etc, that is up to each individual app.
I don't think this is right. Way more then 3 mb.
 

AceCoolie

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Jun 19, 2009
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The point of the question is to try to find out if it will work ok or perhaps be worse than the iPad 2.

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I don't think this is right. Way more then 3 mb.
The 3 mb is how much memory is needed to address each pixel in the display. That was based on 8 bpp. It could be 12 mb if it's 32 bpp.
 

doboy

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Jul 6, 2007
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The point of the question is to try to find out if it will work ok or perhaps be worse than the iPad 2.

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I don't think this is right. Way more then 3 mb.
Buy it, try it, and if you don't like it, return it. Simple. Do you actually think Apple will release a new hardware version that doesn't at least perform as well as the previous version?
 

DopeyFish

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Aug 18, 2008
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Ah my bad, iPad doesn't have 32 bit but uses 16? Or possibly 24?


I was trying to figure it out... The memory in the iPad couldnt handle 32 bit color at that res (as far as I know)

Edit: it's 24 bit.
 

Chupa Chupa

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screensaver400 said:
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Yeah, except it's four times the pixels.
True. Thanks for the catch. I meant 2x resolution.