ASUS PA246Q - Input Lag and Power Use

There is no overdrive or game mode on the PA246Q, as it is targeted at graphics and design with gaming as something you might do in your spare time. Despite that, it does reasonably well with just over a frame of lag from our measurements. There is a 10ms input delay for processing the image, and then 24ms of rise and fall time for the pixels themselves, leaving to a total lag of 22ms. Your effective lag is probably right around 16-17ms, so a single frame. It isn’t the fastest gaming monitor out there, but it isn’t bad either.

Processing Lag Comparison (By FPS)

With its CCFL backlighting system, the PA246Q is not a power efficient display. At minimum brightness it uses more power than the 27” HP ZR2740w and uses just slightly less at maximum brightness despite having maximum light output that is only 65% of that in the HP. Of course it does have a much larger gamut enabled by the CCFL backlighting system, but it does take a lot more power to do so.

LCD Power Draw (Kill-A-Watt)

More on the PA246Q CMS Conclusions on the ASUS PA246Q


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  • cheinonen - Tuesday, July 3, 2012 - link

    Anand did a quick look at one last month and some numbers on it. As mentioned, they're import units that are going to be lacking much of a warranty or dead pixel replacement or anything else. They also all seem to lack DisplayPort inputs (DVI only), any sort of adjustable stand, much of an OSD or control beyond brightness, and use panels that aren't quite as high grade as the main manufacturers, which is how they get the costs down to this.

    Unfortunately it's beyond my means to go buy everything for review, even if it is a $350 unit, and I do have serious reservations myself when thinking about recommending a unit that will lack a warranty or much ability to exchange it for a new one in case it is defective.
  • Zoomer - Wednesday, July 4, 2012 - link

    It's A- instead of A+. And there's no point in a "pixel perfect" screen; extra money is being paid for nothing. They are rated A- for a reason.

    The boards convert DVI to eDP internally, so DP support might be possible with a little hacking.

    Credit card warranty should cover these monitors, and risk of defective units can be mitigated through the same.
  • madmilk - Tuesday, July 3, 2012 - link

    It's not really a full review, but it has the important stuff.
  • jabber - Tuesday, July 3, 2012 - link

    ...just a shame it looks like it came from 2003. Reply
  • Sunny129 - Tuesday, July 3, 2012 - link


    Is the Dell U2410 on your list of displays to test? I would love to see a review of a display that directly competes w/ the ASUS PA246Q, namely the Dell U2410. You're already reviewed the Dell U 2412M, so if you choose to review the ASUS PA248Q in the future, there's already a Dell U2412M review to compare it to. the ASUS PA246Q on the other hand is the only display of its kind to be reviewed here yet (to my knowledge), and so we need another review of a display that's as much of an apples-to-apples comparison as possible (something w/ at least a true 8-bit panel, 1920 x 1200 res, ~$500 price range, etc).

  • Makaveli - Tuesday, July 3, 2012 - link

    If they are going to review a U2410 which is a few years old now, they would also need to review the HP ZR24w both are IPS and real 8 bit panels compared to the 6 bit e-ips panel in the U2412m. i'm not sure what panel the replacement for the ZR24w is using only that its an LED panel, so people have complained about poorer blacks. Reply
  • cheinonen - Tuesday, July 3, 2012 - link

    Dell doesn't have a U2410 available for me to review, which leads me to think we might see a replacement for it in the near future. I asked but couldn't get one. Reply
  • xKeGSx - Tuesday, July 3, 2012 - link

    Any word on the 27" variants of this monitor. Being the ProArt PA278Q and the non-calibrated and missing USB 3.0 ports VA278Q? Thanks Been reading for over 10 years now. Keep it up! Reply
  • DeathBooger - Tuesday, July 3, 2012 - link

    I have two of these monitors. When I got them, one had a blue tint and the other had a red tint. Both cleaned up fine once I properly calibrated them with my Datacolor Spyder. They match up just fine once calibrated. Reply
  • Leyawiin - Wednesday, July 4, 2012 - link

    Other than a few minor changes they're practically the same monitor...only the PA248Q is much cheaper and has slightly better contrast.

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