What Qualifies as a Retina Display? [Math]

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Comments (8)
Shameer - March 3, 2012 at 3:28am
They should make iPad 2 $200 cheaper for every model after 3 is released
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Ahmed Osama - March 3, 2012 at 12:32am
Regardless to the viewing distance, the Retina Display has pixel density of 336 PPI, which is only found in the iPhone 4/4S and the 4th Gen iTouch.
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Dancj - March 3, 2012 at 10:40am
Except for two small details. 1 - Apple get to decide what fits a term they invented. 2 - you're completely ignoring why Retina Display is called Retina Display. It makes perfect sense to take distance into account.
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Someone - March 4, 2012 at 2:40am
Then iPhone 3G also has retina display if viewed from 500 feet...
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Ahmed Osama - March 4, 2012 at 3:05am
Well, u said it your self, they can name it as they want, because they invented it. But, when we start to compare things, we have 2 put them in the same conditions, u can't say that X passes as a Retina Display from Y distance, and Z passes from B distance, u have to compare them both in the same distance, which bring us back to the pixel density which is the real factor :) 336 pixels/inch
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Dancj - March 4, 2012 at 8:18am
They don't have to compare them from the same distance if they're not both generally viewed from the same distance.
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Ahmed Osama - March 4, 2012 at 11:57am
Dude, it's the very basic comparing rules, when u compare 2 things, u have 2 put them in the same condition, u can't compare things in different conditions. This apply on anything on our lives. For example, u can't say that copper get hot faster than iron, while copper is in a 100 degrees environment and iron is in a 50 degrees, of course it will get hot faster, u get what I mean?
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Dancj - March 4, 2012 at 12:27pm
Obviously if you're measuring pixels-depth then that's true, but that's not what the Retina Display label does. That measures whether the pixels are small enough that you can't tell them apart, so obviously you have to take viewing distance into account. (as an aside, the iPhone 4/4s screen actually fails in that respect because you can still see jaggies in games without anti-aliasing)
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