Changing the color gamut to AdobeRGB instead of sRGB produces similar pre-calibration results. The grayscale is pushing red and this leads to dE2000 errors that are visible. A larger issue is the color gamut, as it is over-saturated at the points below 100% and has a serious tint shift in magenta. The color errors are very visible and it happens at all saturations for almost all colors.

 

Pre-Calibration

Post-Calibration,
200 cd/m^2
Post-Calibration,
80 cd/m^2
White Level (cd/m^2) 199.8 199.5 80.6
Black Level (cd/m^2) 0.2655 0.263 0.2625
Contrast Ratio 752:1 759:1 307:1
Gamma (Average) 2.31 2.21 2.40
Color Temperature 6580K 6567K 6521K
Grayscale dE2000 2.68 0.63 0.67
Color Checker dE2000 4.13 1.07 N/A
Saturations dE2000 3.91 1.70 N/A

Post-calibration the grayscale and gamma are spot-on with no visible error to them. The gamut is much improved with the exception of green and cyan. The behavior here is very strange, as we can see the gamut is capable of hitting 100% saturations for them, but after calibration it does not. I’m willing to lay the blame for this on CalMAN and an issue with the calibration here. Since every point except for these 5 are virtually perfect, and the pre-calibration data shows those points should be possible, I imagine it’s a bug. Multiple attempts to calibrate gave the same results, so it isn’t something I can correct myself.

If we believe that is a bug, then post-calibration the Dell UP3214Q is almost perfect in AdobeRGB mode as well. It encompasses the entire gamut and has very accurate results. The results for 80 cd/m2 are identical to the ones for 200 cd/m2 but some of the data was lost and those charts are missing. The pre-calibration numbers are not great for the Dell UP3214Q in the grayscale, but the color gamut is good. It manages to use the full AdobeRGB gamut with its backlighting system unlike other UltraHD displays.

Note: Dell provides their Dell Calibration software with the UP3214Q. Using this and a meter like the XRite i1Pro you can save two modes with your own light output, gamma, and color space settings. Unfortunately I could never get it to work properly with the UP3214Q. The software would detect the i1Pro which is connected directly to the UP3214Q USB ports, but didn’t detect the UP3214Q itself. Updating the monitor firmware and the Dell Calibration software didn’t resolve this issue either. Talking to others with the display they had similar issues as well so hopefully Dell can resolve this as this software has worked well in the past.

sRGB Test Data Display Uniformity
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  • Samus - Tuesday, April 1, 2014 - link

    For <$400 and 2560x1440, I'll take a thick (matte finish) bezel with an IPS panel. Infact, I'll take 6 of them and keep the change instead of buying a "Dell"

    Samsung just announced a direct-competitor to this monitor for $800 starting price. So maybe just 3 of those and keep the change, and they have a razor thin bezel and aluminum frame construction.

    I mean...I just can't get over the price here. $2800 bucks. It's not even worth $1000.
  • inighthawki - Tuesday, April 1, 2014 - link

    Are you referring to the ud590? It's hardly a "direct competitor." It's not only 4" diagonal smaller but it's a TN panel, and lacks quite a few input types. Or are you referring to the ud970, in which case would you please post a source to the $800 price tag, which sounds unlikely.

    On top of that, remember that you then need 2 video cards to power 4/6 monitors (nvidia supports 4 but only in span with the fourth as an "extra" display) so you won't even be able to tile them properly by default. On top of that have fun trying to play a game across all the monitors. At least with a single 4K display you can render at 1080p and have a seamless scaling across the entire display. With 4 or 6 monitors you'd have to run it in the standard "eyefinity" style 3x1 configuration which is nice, but also will cost you with resolution. At that point you're going to need not just two GPUs, but likely two high end GPUs. When all is said and done I don't think you'll save much once you take into account the disadvantages of the setup on top of the price.
  • nevertell - Tuesday, April 1, 2014 - link

    You have never been truly productive with a computer, have you ?
    A multi monitor setup enables me to do things just that much faster. While you could argue that a 4K monitor would allow me to do stuff side by side on the same panel, at the end of the day, when the new resolution becomes the norm, you have to develop content for 4k. And the only way to see your results is to see them at 4k, so you have to have another panel. Single display setups are meant for lazy office people and content consumers. And even then, playing a game with a surround monitor setup is much nicer than having one large monitor.
    People used the same kind of software back in the days of 1280 by 1024, 1024 by 768 and 800 by 640. And even though most of the software for today is written for 1080p or 1200p panels, the fact still remains, you cannot operate Visual Studio in half of that. Hell, it's a nightmare to run Visual Studio on 1336 by 768, let alone something like 960 by 1080p. Even though application UI's appear scalable, scaling them is a last resort. So yes, when we will catch up to 4K on the software side of things, we will need multiple monitors again. But yes, of course, for a web developer of today, being able to edit multiple stylesheets, javascript and html files at the same time AND seeing the result largely in scale is truly great. Unfortunately, most enterprise developers rarely need to edit countless files at once and the php/css people just simply will not be able to afford these displays.
  • Sabresiberian - Sunday, April 6, 2014 - link

    What do you mean by "run 4K at 1080p"? That makes no sense.

    If you are talking running those 4 monitors to get a total screen space of 3840x2160, sure, you could do that, but you entirely miss the point of having a high-density monitor. The pixels on a 39" 1080p screen are the size of a truck. Maybe suitable for using as a TV viewed across your living room, but not as a monitor a couple of feet from your face.
  • mczak - Tuesday, April 1, 2014 - link

    A wall of TN panels is fairly pointless if you can only see the center one due to the poor viewing angles :-).
  • cheinonen - Tuesday, April 1, 2014 - link

    AdobeRGB vs. sRGB, HiDPI vs. Regular DPI, Apples to Oranges
  • cheinonen - Tuesday, April 1, 2014 - link

    I tested with both Nvidia and AMD cards and had the same issues with both.
  • toncij - Sunday, April 6, 2014 - link

    Yes, that information could help, since not every test was done on Nvidia/AMD and the same driver. Also, it would help a lot to hear if those problems also happen with ASUS and Sharp, to compare those products. Anandtech made a review already: http://www.anandtech.com/show/7157/asus-pq321q-ult...
  • jasonelmore - Tuesday, April 1, 2014 - link

    Where the hell is HDMI 2.0? Its done and being produced, why isnt it in these new devices?
  • SunLord - Tuesday, April 1, 2014 - link

    It takes more then 6months to go from a finished standard to fully certified working silicon let along shipping it in quantities to enable mass production of consumer devices.

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