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maemo.org - Talk (https://talk.maemo.org/index.php)
-   General (https://talk.maemo.org/forumdisplay.php?f=7)
-   -   n800 vs iphone review (https://talk.maemo.org/showthread.php?t=7230)

TechnoDoc 2007-07-09 21:26
Re: n800 vs iphone review
 
Quote:
Originally Posted by Karel Jansens (Post 58048)
It can't have, if its dpi count is lower than that of the N800.
Of course it can. If the PPI is higher, then the images will be more 'crisp' due to the smaller pixel size.

Karel Jansens 2007-07-09 21:58
Re: n800 vs iphone review
 
Quote:
Originally Posted by TechnoDoc (Post 58428)
Of course it can. If the PPI is higher, then the images will be more 'crisp' due to the smaller pixel size.
What's the difference between Dots Per Inch and Pixels Per Inch?

barry99705 2007-07-09 22:29
Re: n800 vs iphone review
 
Quote:
Originally Posted by Karel Jansens (Post 58437)
What's the difference between Dots Per Inch and Pixels Per Inch?
Dots per inch is a printer term, Pixels per inch is a display term. Neither really says anything unless you know the size of the dot or pixel. Kinda like contrast ratio's for displays. Is the 0 a measurement of the display turned on with a completely black screen, or turned off? Depending on the manufacturer it could mean either.

Milhouse 2007-07-09 22:47
Re: n800 vs iphone review
 
Quote:
Originally Posted by TechnoDoc (Post 58428)
Of course it can. If the PPI is higher, then the images will be more 'crisp' due to the smaller pixel size.
I think in the context of this discussion, dpi and ppi are synonymous. :)

And the iPhone screen has a lower pixel per inch than the N800...

N800 dpi/ppi => 4.1" diagonal, 800 x 480 pixels => 228 dpi (or ppi)
iPhone dpi/ppi => 3.5" diagonal, 480 x 320 pixels => 165 dpi (or ppi)

So if text on the iPhone appears "crisper" it's not due to the screen, more likely the underlying rendering technology. I would expect images to be more accurate/crisper on the N800 screen due to the inherently higher resolution.


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