"Effective resolution"

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"Effective resolution"

Postposted on Mon Nov 18, 2013 6:54 am

I'm looking around to purchase a laptop and I notice some of them have very high resolutions like 2560 x 1600 or even 3200 x 1800.

However, I keep seeing "effective resolution" and it's much lower than the stated resolution of the screen.

What is this effective resolution?

All I can think of is that the multiple actual pixels are being used to drive the virtual pixels. However, I do not see how this would enhance picture quality over just making the physical pixels bigger.

Anyone know?
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Re: "Effective resolution"

Postposted on Mon Nov 18, 2013 7:51 am

This is just a guess, but....

Could be that, since those resolutions are in the ballpark of "twice" what you would see in most laptops (2x720p, 2x900p), the high-DPI setting the screens use just makes it a much sharper equivalent of the lower resolution in terms of actual screen real estate.
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Re: "Effective resolution"

Postposted on Mon Nov 18, 2013 8:09 am

Prestige said it pretty well but I'll add my perspective anyway:

"Effective Resolution" is what the the equivalent screen real estate is. Text and objects will be scaled so if you measured the dimensions with a ruler, they would be the same as a screen that had the effective resolution as its actual resolution.

The result is a sharper desktop with more detail and much less aliasing/pixelation. It's much different from driving a 720p signal to a 1440p screen with poor monitor scaling and fuzziness.
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Re: "Effective resolution"

Postposted on Mon Nov 18, 2013 8:10 am

It means the laptops are doing some scaling to make the UI look sharper. At 13-15" those resolutions are borderline unusable for all but the most eagle-eyed Gerbil. The "effective resolution" is basically what the resolution on a non-scaled display would be.
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Re: "Effective resolution"

Postposted on Mon Nov 18, 2013 8:14 am

derFunkenstein wrote: At 13-15" those resolutions are borderline unusable for all but the most eagle-eyed Gerbil.
Here you go:
http://www.walgreens.com/search/results ... %20glasses
I have to wear them if I want to see the individual pixels on my tablet.
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