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Best IPS pixels/watt?

S

snoogie

n00b
Joined
Oct 28, 2009
Messages
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I'm wanting to save some power since LED LCDs are so power efficient (~20-30 W) combined with reduced AC costs, it's better for the environment, etc.

I'm looking for the best IPS pixels/watt ratio for ~$1000 or less -- this can be either a single 27/30" or two 24" ers. Obviously, the best option is probably something like two WLED 24" IPS LCDs, but no such options exist besides the hugely overpriced Apple LED LCD. Dell's 2711 is nice, but is a power guzzler, with most reviews showing it uses in excess of 120W, the equivalent of four or five LED 24" LCDs.

What are my options? Should I consider giving up IPS and opting for TN LED LCDs? Are there any affordable LED IPS LCDs on the near-horizon?
 
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Well, if you can't wait for LED, one option is simply to turn down the brightness.. On many screens it can make a larger difference than you might think. EG the U2410 is perfectly usable at 0% brightness and less than 50% contrast. The difference, in terms of the heat it puts out, is noticeable.. I think that translates into a power usage of below 40W, compared with 60 something W on the default settings and 90 something Watts at full brightness.

The new generation of UH-IPS and H2-IPS panels from LG are also supposedly designed to use less power than the previous generation, and apparently the main difference of E-IPS is that it allows more light through, meaning a less powerful (and thus more power efficient and cheaper) back light can be used. More LED IPS screens will definitely be on the way. But, if you don't want to go with overly expensive options like Apple, it'll probably be another 12 months before they (maybe) arrive..

Whilst saving some pennies on power is nice, heat is (perhaps) the main consideration in all of this.. On a warm summers day you will easily notice the difference between a 30W and 100W screen in a room which isn't well ventilated. If your main concern is the environment then the time would, perhaps, be better spent getting Al Gore to stop flying all over the world, eating meat, and preaching his "do as I say, not as I do" 'facts', often riddled with misinformation, to people (IMHO :) )
 
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