The ASUS PA246Q comes designed to compete at the higher end of LCDs, with a 16:10 aspect ratio, AdobeRGB color gamut, 10-bit panel (using ARFC to extend a native 8-bit panel), and a fully adjustable stand. It also promises better performance out of the box than other displays, so you don’t need to own calibration equipment to get a more accurate image, and has a full CMS that you don’t see on PC monitors very often.

In a few places it delivers but in others it falls short. The out of the box performance might have met their dE target, but there are so many different ways to determine the average dE and no method is given here, so I can’t determine for sure if ASUS is achieving their goal. What I can determine is how it rates using our standard measurements; unfortunately, it came in at the same level as other displays when looking at real world, Gretag Macbeth colors on the color checker chart. Once calibrated the performance is good for colors, but the grayscale is off by quite a bit delivers overall inaccurate color reproduction compared to other high-end displays.

From a strictly personal view, the screen itself looks very nice and clean, and the anti-glare coating shouldn’t distract anyone I don’t think. Much as high-end projectors are said to give a “film-like” image, the PA246Q image looks very nice and natural in daily use. Even with my personal preferences towards the image it produces, the higher black levels and lower contrast ratios also leave a bit to be desired and leads me to wonder when we can finally get a backlit, RGB LED array display to address this.

The one area that really isn’t there yet is the CMS system. While very promising for the future with displays, I would like to see a full 3D system and not 2D, so that you can get all the primary and secondary points dialed in correctly. The main issue is that the math for determining the intermediate points doesn’t seem to be correct, which leads to an image with banding in gradients and image posterization. This is another reason that typical measurements of display performance often fall short as if you only measure the six target points the CMS would look fantastic, but the other billion points look much worse in real life.

Overall the ASUS PA246Q does a lot of things well and is even acceptable for gaming, but it doesn’t do anything amazingly well. I would say it is a great general-purpose display, but the price tag puts it well beyond that category for most people as it clearly aims for a higher level of use. One main competitor would be the Dell U2410, but I haven’t reviewed that so I can’t say how it would stack up in comparison. If the ASUS came in closer to $350-400 it would be easy to recommend, but at nearly $500 with calibrated results that leave a bit to be desired in the grayscale I find that harder to do.

Since I haven’t used the main competitors, the ASUS PA246Q could easily be the best choice in its price range if you need IPS, AdobeRGB, a 16:10 ratio, an ergonomic stand, and decent calibrated results. It just isn’t exceptional enough at what it does for me to be able to unconditionally recommend it for everyone.

ASUS PA246Q - Input Lag and Power Use
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  • synaesthetic - Tuesday, July 3, 2012 - link

    I'd pay a lot for a 1920x1440 24" monitor!
  • aranyagag - Tuesday, December 11, 2012 - link

    i just wish such a display was available
  • aranyagag - Tuesday, December 11, 2012 - link

    +1 for 16:10 --voted with my wallet
  • Corporate Goon - Monday, July 2, 2012 - link

    Just wanted to leave my two cents as I've owned this monitor for about six months now.

    I've generally been very impressed with this monitor - I have a wide variety of needs and I find it fits most of them. I do some semi-pro video and photography work but nothing too fancy (photoshoots for local bands, that sort of thing), play lots of games and do some Netflix watching and the like. I've been very pleased generally with the Asus display - the colours are great, and a huge step up over my TFT display I had before. I've also noticed no ghosting issues at all in games and movies (I initially replaced my 'old' 24" TFT with a BenQ MVA panel and while the contrast was incredible, the streaking and ghosting was a major distraction).

    My only major complaint about the display is the poor black levels relative to newer LED-backlit screens. Compared to my old TFT/CCFL display the Asus is about on par, but it can't hold a candle to the newer TFT/LED and MVA/LED screens.

    I've recommended the screen to a couple of friends who are in similar boats to me - people who use their computer for entertainment, but are also reasonably serious about using it for art/video/photography.
  • Leyawiin - Monday, July 2, 2012 - link

    "there is no game mode or overdrive for enabling faster response from the display"

    ASUS's term for Overdrive is Trace Free. Its permanently active in this model (can't turn it off or change the degree).
  • aranyagag - Tuesday, December 11, 2012 - link

    A very astute observation -- thanks for posting this insight
  • dishayu - Tuesday, July 3, 2012 - link

    There are so many cheap 27 inch korean IPS 2560x1440 resolution displays on ebay that sell for under $400. They utilize panels from LG, the same ones used in Apple's cinema display. I would REALLY like to see a legitimate review of them. I'm quite inclined to buy them but i don't want to end up wasting 500 of my bucks. If only Anand could review them somehow?

    Here's an ebay link. (this is the pixel perfect model, which comes with a guarantee of zero defective pixels)

    http://www.ebay.com/itm/CROSSOVER-27Q-LED-Perfect-...
  • rsgeiger - Tuesday, July 3, 2012 - link

    Basically the only way Anand can review it is if you bought it and sent it to them. They only review what companies send to them for review. They dont buy their own gear.
  • prophet001 - Tuesday, July 3, 2012 - link

    It would be nice to see a review of something like that. However, I think it's safe to say that it's not that cheap because it has the same quality as other similarly spec'd panels.
  • dishayu - Tuesday, July 3, 2012 - link

    Doesn't apple's 27 inch IPS cinema display cost something in vicinity of 1000 dollars?

    I just randomly linked this one as it was the first to turn up in my search results. There are monitors selling for around 360 mark as well. And 299 if you don't want a 0 defective pixel warranty (replacement only for 5 bad pixels or more, a couple of pixels out of 3.7 million might not even be noticable at this pixel density but i don't know that for sure)

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