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Does Intel HD Graphics 3000 support 10-bit IPS panels?

M

mgoldshteyn

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Feb 13, 2011
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The title pretty much says it all. Dell claims that the new Intel HD Graphics 3000 GPU that is built into mobile i7 processors as well as certain 2nd gen i7 desktop processors does not support 10-bit IPS panels. Is this true or false? I cannot find any Intel documentation in support / contradiction of this statement.

Thanks
 
I would assume it does not support displaying 10-bit color (also known as 30-bit color or Deep Color) on a 10-bit IPS panel unless proven otherwise (and if dell says it won't then it almost certainly won't), but it should run 8-bit color on them just fine if that's what you're asking.
 
evilsofa said:
I would assume it does not support displaying 10-bit color (also known as 30-bit color or Deep Color) on a 10-bit IPS panel unless proven otherwise (and if dell says it won't then it almost certainly won't), but it should run 8-bit color on them just fine if that's what you're asking.
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Sadly, that does me no good, because Dell seems to not allow 8-bit color with their IPS panel. So, unless it's directly supported by Intel HD Graphics 3000, I am left with no power-saving Optimus option.
 
Why won't you have power saving features? The bit depth has nothing to do with it. (unless you can point me to documentation that says it does, which sounds strange)

All 10-bit monitors are 8-bit plus dithering anyway, so all your video card needs to support is 8-bit.

Then, how can a monitor allow or disallow a video card? Sounds odd to me too.

Please explain exactly what do you need, or what you think the requirements are.
 
And add to that what display you are talking about. There seems to be a drastic misunderstanding going on here.
 
All 10-bit monitors are 8-bit plus dithering anyway, so all your video card needs to support is 8-bit.
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There is an advantage in using a 10bit signal even if the panel is natively driven with 8bit per channel (actually true for most panels - but the LM240WU5 (RGB-LED blu) is one of the few native 10bit panels).

Best regards

Denis
 
chapas said:
All 10-bit monitors are 8-bit plus dithering anyway, so all your video card needs to support is 8-bit.
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I might have read this sentence incorrectly, but if the two least significant bits are missing, how will the monitor even know to what amount dithering should be applied, i.e. what light intensity the neighboring sub-pixels should have? Some colors are fully described by 8 bits, some even by 2 bits and some require 10. :p
 
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