Color Quality

Straight out of the box, the color accuracy of the HP leaves a disappointing taste. The average dE is close to 9, and the grayscale is well up there, almost entirely in the double digits. Due to the lack of an OSD or other controls, there isn’t any other color mode you can select, such as sRGB or 6500K, to try to improve these results without calibration. If you purchase the ZR2740w and cannot calibrate it, this is the performance you can expect with no way to improve upon it at all.

Color Tracking -  XR Pro, Xrite i1D2 and XR i1DPro

Of course, since many people purchasing this display will be calibrating it, we want to see how well it performs after a calibration. Using ColorEyes Display Pro on a MacBook Air, I set the targets to my usual preferences: 200 nits of light output, a D65 white point, gamma of 2.2, and minimum black level. The calibration was done with an i1Pro spectrometer that is NIST certified to have a maximum error of 1.0 dE and an average error of 0.4. Using these settings, we get a much better result out of the HP.

Color Tracking -  XR Pro, Xrite i1D2 and XR i1DPro

Here we can see that our dE has dropped down to an average of 1.76 which is pretty good. The errors, as usual, are in shades of blue at the edge of the sRGB colorspace, and that grayscale that was horrible is now down to an error of under 1 for almost the entire range. Again I wanted to look at the median color error and see how much this average error is being skewed by the blue results.

Color Tracking -  XR Pro, Xrite i1D2 and XR i1DPro

Our median color error is a dE of 1.2, which is quite good. There are a lot of panels that do worse than that, and not many that can do much better at all. The only way to really get an error much better than this is to find a panel that uses the full AdobeRGB colorspace, so those shades of blue will be able to be rendered correctly. As a high resolution 27” monitor is likely to be targeted towards professionals, including those doing print work, the 100 nits results were even more important this time than usual.

Color Tracking -  XR Pro, Xrite i1D2 and XR i1DPro

The dE results are very similar to those with 200 nits of light output, down to the grayscale having similar errors across the spectrum. The worst grayscale patch is the dark gray, which is the hardest for the i1Pro to read accurately, but until I have a better calibration program that allows for meter profiling, it’s the best result I’ll be able to get for you. Overall the calibrated results for the HP are good, but with no OSD at all the only way to get even close to these is with a calibration package, since you can’t even copy settings from another display and hope they look OK on your monitor. You could always try copying a color profile from someone else with the same monitor, but even then you're likely to get significant errors as there's plenty of variance between otherwise "identical" panels.

Design, OSD, and Viewing Angles Color Uniformity and Color Gamut
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  • Visual - Friday, March 16, 2012 - link

    The 16:10 variant would be 1600 px vertical, and 30 inch diagonal. It is quite understandable why anyone with a brain would prefer that. And there have been several such 30" monitors reaching similar price to this 27" so the OP is right about it being too much money, hopefully some nice discounts will appear for it though.

    People were using 1600x1200 15 years ago on 20 inch CRTs. Getting less vertical resolution now is really sad.

    If a 10" iPad can have better resolution, I don't see how you can think this one is OK.
    Reply
  • iieeann - Friday, March 16, 2012 - link

    Ouch, still a retarded 16:9 product. When will a 16:10 27"-30" IPS monitor come out...
    I am still using the old dell 2709W. Not an IPS but i keep it because of 16:10.
    Reply
  • DanNeely - Friday, March 16, 2012 - link

    at least five years ago (Dell 3007); not sure if it was the first 2560x1600 monitor; but Dells model number scheme at the time baked in the year making it easy to date. Reply
  • Death666Angel - Friday, March 16, 2012 - link

    30" with 2560x1600 have been out for years, but they usually cost nearly twice as much as the 27" pendants. Vote with your pocket if you are serious, I am fine with 16:9 in this size range (though I go 16:10 below that). Reply
  • dcollins - Friday, March 16, 2012 - link

    Get over it already, 16:10 is gone. 16:9 has become the standard whether you like it or not, so you should start getting used to it. Move your Windows taskbar or OSX dock to the side, that gives you ~80px. If you absolutely MUST have vertical resolution, do what my buddy does: buy two smaller monitors and use them in portrait. Learn to adapt. Reply
  • Sabresiberian - Saturday, March 17, 2012 - link

    You are clueless. 16:10 is far from gone, in fact several companies have released new 1920x1200 screens in the last few months. 16:10 is also the standard in a 30" display.

    Apple is releasing a new notebook this year which will be 2880x1800, 16:10. Asus has at least one product coming out with a 10.1" 1920x1200 display.

    There are people all over the internet complaining about 16:9 monitors these days. You can't go to a hardware review site without seeing a growing numbers of people posting about how they think 16:9 is trash for a monitor.
    Reply
  • cheinonen - Saturday, March 17, 2012 - link

    Right, but those hardware review sites (like here) are a representation of a very, very small slice of the monitor buying population. For that small slice, and professional designers and other people, there are still 16:10 panels being produced with their associated price premium. For most people, they're plenty happy with 16:9 panels and the more affordable price with them, and I really wish the comments didn't get filled with this endless diatribe every single monitor review. Reply
  • EnzoFX - Saturday, March 17, 2012 - link

    Just get a bigger 16x9. The argument is dumb IMO once you're at this high resolution. Reply
  • piroroadkill - Friday, March 16, 2012 - link

    If you're going to talk about affordable 27" 2560x1440 panels, you're missing the whole point: the Korean domestic market monitors: The Catleap/Shimian whatever other name monitor. Uses a 2560x1440 LG panel and can be had for ~$400 SHIPPED. Reply
  • piroroadkill - Friday, March 16, 2012 - link

    Sorry, just so I don't leave people hanging, yes these are real, no they are not a scam, yes sometimes they have a couple of dead pixels, but that's perfectly acceptable:

    http://www.ebay.com/itm/ACHIEVA-Shimian-QH270-IPSB...

    http://www.ebay.com/itm/New-YAMAKASI-CATLEAP-Q270-...

    Pixel perfect guarantee: http://www.ebay.com/itm/New-YAMAKASI-CATLEAP-Q270-...
    Reply

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