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How resolution works on a smartphone: - Page 2

post #11 of 25
Quote:
Originally Posted by Nburnes View Post
Imma have to go with iPhone 4.
My desires screen still looks nicer than the iphone 4's ^_^
Edited by jackeyjoe - 2/18/11 at 9:33pm
post #12 of 25
Quote:
Originally Posted by jackeyjoe View Post
My desires screen still is nicer than the iphone 4's ^_^
my g2 looks better than the iphone 4 too went in best buy and compared.
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post #13 of 25
Thread Starter 
Quote:
Originally Posted by Nburnes View Post
More accurate photo, no?



Imma have to go with iPhone 4.
The phones have the same size screen.


Its closer to this:




The iPhone 4's screen is better, being clearer, but it really isn't higher resolution. If the iPhone 4 really had higher resolution the homescreen would fit 80 icons instead of 20. You could fit 80 icons on the homescreen and have it look just like the 3GS, but the icons would be too small for you to use.




I've scaled it match the dot pitch of my monitor, so that its roughly the same size as the iPhone 4's screen is in real life. On the iPhone 4's screen the text would be clearer, but it wouldn't be any bigger. Do you think you could honestly read that?
Edited by nathris - 2/18/11 at 11:02pm
    
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post #14 of 25
Quote:
Originally Posted by nathris View Post
I thought I would take a stab at explaining this, and I ended up with some very interesting results that will probably see me chewed out by a mob of Apple fanboys, but here goes:






This is basically a long winded pseudo-scientific way of saying that since the pixels are effectively invisible on both the iPhone 4 and HTC Desire, that the Desire actually has a slightly larger effective resolution since it's screen has more surface area.

By the same token, even at 4.3", the focal limit of the HTC Desire HD is less than 8 inches, which begins to pose problems, but at a viewing distance of 1' it actually has a 35% higher effective resolution than the HTC Desire, despite the fact that the screens have the same number of pixels. Since Android scales the screen by DPI instead of resolution you can achieve that 35% by increasing the DPI in one of the config files.
I can tell the difference between VHS and comcast
comcast = blurry and unwatchable.
VHS is like watching HD! Very crisp.(from my panasonic VHS player it does a hell a good job.)

seriously VHS is higher Quality then cable TV.

Plus VHS does not have a color banding issues like cable does.
Edited by punker - 2/18/11 at 11:30pm
    
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post #15 of 25
Quote:
Originally Posted by nathris View Post
The phones have the same size screen.


The iPhone 4's screen is better, being clearer, but it really isn't higher resolution. If the iPhone 4 really had higher resolution the homescreen would fit 80 icons instead of 20. You could fit 80 icons on the homescreen and have it look just like the 3GS, but the icons would be too small for you to use.

the screens may be the same size... but the resolution is higher on the ip4...

\\icon size on 3gs = 57x57
\\icon size on ip4 = 114x114
Edited by 808MP5 - 2/18/11 at 11:31pm
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post #16 of 25
Quote:
Originally Posted by nathris View Post
I thought I would take a stab at explaining this, and I ended up with some very interesting results that will probably see me chewed out by a mob of Apple fanboys, but here goes:


This is basically a long winded pseudo-scientific way of saying that since the pixels are effectively invisible on both the iPhone 4 and HTC Desire, that the Desire actually has a slightly larger effective resolution since it's screen has more surface area.

By the same token, even at 4.3", the focal limit of the HTC Desire HD is less than 8 inches, which begins to pose problems, but at a viewing distance of 1' it actually has a 35% higher effective resolution than the HTC Desire, despite the fact that the screens have the same number of pixels. Since Android scales the screen by DPI instead of resolution you can achieve that 35% by increasing the DPI in one of the config files.
There are different types of pixel arrangements to consider: http://www.anandtech.com/show/4165/t...x-4g-preview/4
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post #17 of 25
You can change the DPI of the Desire? My Desire is S-OFF'ed and I did not know that

Both are nice phones though, REP+ for the interesting read
 
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post #18 of 25
Thread Starter 
Oh god... the Atrix is pentile? I was going to do a thing on pentile, since the RGBG tiling means it has a 33% increase in dot pitch, but I figured with Samsung moving to the RGB SAMOLED+ we'd have seen the last of it.

Its not even higher resolution! My Desire has 12% more subpixels, which results in a much sharper image than you'll find on the Atrix.


I know its a bit early, but I think the Atrix might be the worst phone released in 2011, and its not even officially out yet! Market lock, bloatware, overpriced laptop dock, and now this pentile scam! (Yes it is a scam, its just as bad as marketing a 1366x768 TV as a 1080p TV when all it can do is decode 1080p)
Edited by nathris - 2/19/11 at 12:22am
    
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post #19 of 25
Quote:
Originally Posted by nathris View Post
The phones have the same size screen.


Its closer to this:

[*IMG]http://i.imgur.com/92yWd.jpg[/IMG]


The iPhone 4's screen is better, being clearer, but it really isn't higher resolution. If the iPhone 4 really had higher resolution the homescreen would fit 80 icons instead of 20. You could fit 80 icons on the homescreen and have it look just like the 3GS, but the icons would be too small for you to use.


[*IMG]http://i.imgur.com/ak3lI.png[/IMG]

I've scaled it match the dot pitch of my monitor, so that its roughly the same size as the iPhone 4's screen is in real life. On the iPhone 4's screen the text would be clearer, but it wouldn't be any bigger. Do you think you could honestly read that?
I'm sorry but you are spreading information that is 100% incorrect. Did you read my previous post (#9)? It explains how this all works.

Yes, the iPhone 4 is quite a bit higher resolution than the 3GS. To be specific, it is doubled. The screens are the same size, yes. But the 3GS screen is 480 pixels by 320 pixels. The iPhone 4 on the other hand is 960 pixels by 640 pixels.

What does that information mean? It means the iPhone 3GS screen has 163 pixels per inch, while the iPhone 4 has 326 pixels per inch.

The absolute resolution of the iPhone 4 screen is literally double that of the 3GS. I don't know how much simpler this can be made.

For comparison to the HTC Desire, it has a 3.7" screen and it is 480 pixels by 800 pixels. If you do the math, that comes out to 252 pixels per inch.

If you do some more math, you can see very simply that the iPhone 4 has an absolute resolution of 29% greater than the HTC Desire.

You brought up the point that if the resolution of the iP4 was really higher than the 3GS then the icons and text would be a lot smaller. Well, no that is not the case. There are a number methods that can be used to make the items on the screen appear to be the same size. Things can be scaled, the icon resolution can literally be larger, etc...
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post #20 of 25
Thread Starter 
Bold text and basic math isn't going to help you here man. The iPhone 4's screen is 4 times as large, but that means absolutely nothing, since the OS doesn't use absolute pixel values like our desktop OSes do.

If you want to read up a little on how Android (and iOS) handles resolution here's a link for you:

http://developer.android.com/guide/p...s_support.html


The key term to consider here is what Android refers to as a Density-Independant Pixel. iOS likely has something similar, although it might not be documented as there is only 3 different screensize/dpi combos to deal with.

These are the actual pixels your OS uses. It makes it so that if you want size 12 font in your app it will have the same physical size on the screen whether the resolution is 800x480 or 800000000x480000000. The only difference between the two screens is the clarity.


The HTC Desire and the iPhone 4 have roughly the same DP size, so size 12 text on one will be the same size it is on the other. But the Desire screen is physically larger. So if you can display 5000 size 12 characters on the iPhone 4, you can display 5300 characters on the Desire (6% more)
    
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