From: Savageduck <savageduck1@{REMOVESPAM}>
Subject: Re: 4K screens RGB vs RGBW
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NNTP-Posting-Date: Mon, 27 Nov 2017 16:20:24 -0600
Date: Mon, 27 Nov 2017 14:20:24 -0800
From: Savageduck <savageduck1@{REMOVESPAM}>
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Subject: Re: 4K screens RGB vs RGBW
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On Nov 27, 2017, Alfred Molon wrote
(in article<>):

> I was checking a new notebook (the ASUS VivoBook Pro 15 N580VD). Looks
> interesting, especially because the price is not so high compared to
> other notebook PCs in the same class (core i7 7700HQ, 512GB SSD+1TB HDD,
> 16GB RAM, 15" UHD screen, fast graphics card etc).
> But the 4K screen seems to be only RGBW and not RGB, which according to
> a review degrades a bit the image shown on the screen. Does anybody know
> more about this RGB vs RGBW issue?

A quick Google search reveals several sites offering explainations, most 
along these lines: