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Native Resolution versus Adjusted Resolution

post #1 of 4
2/26/05 at 8:55pm
Thread Starter 
Is there a decrease in the picture quality when you adjust a computer with a higher native resolution to a lower one (i.e. WUXGA 1900x1200 down to 1680x1050 which is WSXGA+) ? I personally do not notice one but there is no comparison for me.

If yes is the case, why would Windows allow the settings to be adjusted? As a corollary to that argument, why would anyone get less than the highest resolution available to adjust resolution when needed?
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post #2 of 4
2/26/05 at 9:12pm
Yes, there is. However, not everyone can see the words on a screen at 1900x1200. They might need to reduce the resolution so that they are not straining their eyes right out of their sockets.

Also, technology has greatly improved to make non-native resolutions on LCDs clearer and sharper. I forget the name right now, but "cleartype" or something like that is quite good at making doing this. Also, anti-aliasing is a lot more common now.

You might want to get a higher resolution because that computer has exactly everything you need except for the screen. And, if the screen is higher than you want, you can adjust it to a myriad of resolutions in between.

Edit: If you go up and down by an integer constant of the screen (ie, go from 1600x1200 --> 800x600), you will not see any difference (other than everything being twice as big).

Regards,

zakaluka2.
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post #3 of 4
2/26/05 at 9:30pm
Thread Starter 
Thank you zakaluka2.

One last thing: Why high color versus true color?
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post #4 of 4
2/26/05 at 10:45pm
Cleartype is a subpixel antialiasing routine which makes text easier to read on LCD screens at their native resolution. When you go away from the native resolution it just makes the text blurry and the colour fringing more noticeable.

If you use 800x600 on a 1600x1200 screen, it's true that it won't be blurry, but it will look rough and pixelated, since it's now taking four pixels to do the work of one.
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