Power Use, Gamut, Input Lag

With a full white screen and the brightness set to maximum, the ASUS ROG uses 48 watts of power. Setting the backlight to the minimum setting reduces this down to 17 watts.

LCD Power Draw (Kill-A-Watt)

Candelas per Watt

The ASUS ROG reproduces 75.57% of the AdobeRGB gamut. This puts it solidly in the sRGB color gamut, just about what we expected from looking at the earlier pre- and post-calibration results. No G-SYNC monitors have gone beyond the sRGB gamut at this point, and until there is a gaming oriented panel that is only available in a wide-gamut version, I don’t expect to see one. It just isn’t a critical feature for gaming compared to other things.

LCD Color Gamut

Like the other G-SYNC displays I have tested, the ASUS ROG has no inputs aside from a single DisplayPort. Because I have no CRT monitor that can run at the same native resolution as it, nor a DisplayPort compatible lag tester, I can’t produce an accurate input lag measurement for the display. Obviously this is not an ideal result for a gaming display, but any number I could produce I would have zero faith in.

Display Uniformity Conclusions
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  • Zak - Tuesday, March 17, 2015 - link

    I paid the nVidia tax too and I love it too but haters will hate. I only spent one evening with it but I gotta say GSync is the best thing that happened to gaming since the SSD. You have to see it to believe it. No tearing, no lag, no sync issues. Perfectly smooth. I was sitting there looking at the Unigine Valley demo for minutes running buttery smooth at around 100fps with my jaw on the floor. Then I fired up Skyrim and OMFG!!! Gaming heaven!

    But... Yes, the color quality leaves something to be desired, though I'm picking up a used iMac for my photo editing and will strip this PC down to gaming only. You wouldn't want to use this display for photo editing. But for gaming this is huge. I want to play all my games all over again.
  • Calista - Friday, February 13, 2015 - link

    I'm still stunned how hard it seems for the manufacturers to get the USB ports right, especially since Dell was spot on more than ten years ago. Two or more in the back for static equipment, be it a webcam or similar, two along one of the sides for easy access when using a USB memory stick, attaching a camera or what not. http://www.anandtech.com/show/1193/2 Its larger siblings like the 3007WFP made it even better by adding a sd- and cf-reader.
  • Sivar - Friday, February 13, 2015 - link

    I've wondered this as well.
    My Dell 2001FP, which is still in use today despite being 14 years old, was their first to get this right. It's as if other manufacturers don't recognize the value enough to even copy Dell's design, let alone design something as nice themselves.
  • tential - Friday, February 13, 2015 - link

    My dad wanted a new monitor and this was the HARDEST requirement to fill for him. The amount of monitors with 4 USB ports, positioned correctly, is terribly low.
  • Zak - Tuesday, March 17, 2015 - link

    Buy a tiny USB hub and attach it under the edge of the monitor with dual-sided sticky tape. I've done on many monitors. Not perfectly pretty but works.
  • bebimbap - Friday, February 13, 2015 - link

    The issue with having those kinds of things on the side of the monitor, is you require a thick bezel or one with more depth or both. currently most monitors are going with a thin bezel design both on the edge and in depth. I own the dell 3007 3011 and 2005fpw and they are about 3x as thick around the edge and 2x the depth of the pg278q. The asus "feels" much smaller than other 27" that i have experienced just because of the bezel size. also the screen part of it is much shallower than any other monitor i have used. usually from the edge of the Bezel to the surface of the screen is about 2-7mm depending on the size of the screen but, on the asus i would say 1mm.

    you can always get a usb hub on your desk, or strapped to the back of the monitor.
    as monitors get thinner you'll have a much harder time finding ports in the future.
  • sf101 - Wednesday, February 18, 2015 - link

    This ^^^^^^^^^^
    Things manufactures are trying to get away from are.
    -Side mounted USB's
    -Side Mounted Buttons

    why?

    Thin /slim bezel's for Multi monitor use.
  • piroroadkill - Saturday, February 14, 2015 - link

    The 24" have had an SD reader on the side for a while too. Got a U2410.

    Dell has always nailed inputs and layout for buttons and so on.
  • Wardrop - Saturday, February 14, 2015 - link

    I wouldn't rave too much about dells button layouts, especially on the U2410. Having a button form the corner of the bezem (or any edge) can cause frustrations. At work I use three of these monitors, and anytime they got bumped, one of them gets switched off because the corner button is inadvertantly pressed in the process.
  • Rolphus - Friday, February 13, 2015 - link

    I've got one of these, as part of a big gaming machine update I've been doing. I'd say the assessment is spot on.

    Colour quality and especially consistency are clearly not in the same league as any halfway reasonable IPS display, but the smoothness you get from a high-refresh panel is lovely, and fast-paced games feel superbly solid. G-Sync is something I'm completely sold on, and having a ULMB 120Hz option for 3D Vision is also really handy for stable images. Sadly you can't mix the two - I'd love for "3D Vision 3" / "G-Sync 2" to be able to vary frame rates and store left and right eye frames on-display so lower frame rates can be doubled up properly, but that's probably wishful thinking, and a niche atop a niche. That's to say nothing of my theory that 3D Vision will probably die a death once there's a consumer desktop VR solution out there.

    I also agree that it's a high-priced (perhaps overpriced), niche item - but it doesn't really have any competition at the moment.

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