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Old 09-14-2012, 01:48 AM   #35
xendula
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Posts: 2,300
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Join Date: Aug 2005
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Device: Kindle 4B/K ~ Nexus 7 ~ Kindle Paperwhite 1&2 ~ iPad Air
Quote:
Originally Posted by jswinden View Post
Are you talking about the Paperwhite? If so I read where the resolution is 212 ppi. You can also figure it out by calculating the number of pixels across the diagonal of the 6" screen then dividing that by 6 to get the ppi.

The new screen is 768 px wide by 1024 px tall, so to calculate the diagonal number of pixels:

Diagonal PX = SQROOT ((1024 x 1024) + (768 x 768)) = 1280 px

PPI = 1280 / 6 = 213.33
I was talking about the $69K. At the time of my post, Amazon had removed PPI information about it from the side by side comparison, so after their announcement, I thought that the $69 Kindle may have a higher screen resolution than he K4. Info is now back on the comparison page. I am wondering if the missing info was an oversight or not.
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