The pixels on the screen is a laughable thing here.
When the screen is so small, human eyes can't tell how sharp it's.
samsung galaxy s II vs iphone 4, Added 1 question regarding apps 27/9
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 Sep 24 2011, 03:15 PM
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Elite
10,501 posts Joined: Oct 2009 From: Tamriel  
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Sep 24 2011, 04:22 PM
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Elite
10,501 posts Joined: Oct 2009 From: Tamriel
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QUOTE(Joey Christensen @ Sep 24 2011, 03:18 PM) Well said. May I add a little here? But, do you even compare an iPhone 4 vs a SGS II? According to human eyes, we can only see the pixels if our eyes are 2 cm+- to the display. 1. The resolution of the retina is in angular measure - it's 50 Cycles Per Degree. A cycle is a line pair, which is two pixels, so the angular resolution of the eye is 0.6 arc minutes per pixel. 2. So, if you hold an iPhone at the typical 12 inches from your eyes that works out to 477 pixels per inch. At 8 inches it's 716 ppi. You have to hold it out 18 inches before it falls to 318 ppi. So the iPhone has significantly lower resolution than the retina. It actually needs a resolution significantly higher than the retina in order to deliver an image that appears perfect to the retina. Source: http://displaymate.com/  You tell a laymen without knowledge, and ask him which one is sharper. I can tell you, you won't get the correct answer.  This post has been edited by DarkSilver: Sep 24 2011, 04:45 PM |
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