The larger the display, the harder it is to get it uniform. As I’ve found from testing the 21:9 ultrawide displays, the taller a display is the higher the tolerance is for the panel. Because of this we usually see more uniformity issues in larger displays, though there are many large display that are still quite good in the professional market.

The Dell UP3214Q suffers a bit when it comes to uniformity. The white uniformity is pretty good, with only a few spots at the very outside falling more than 10%, which is what I set as a target for a display. The center of the monitor is all within 8%, which is a good number.

Black uniformity shows that there is a corner with light leakage in the upper-right, but that corner is also dim for white. The outside of the monitor is much darker than the center, which is also consistent with how it measures for white. Black uniformity is good other than the upper-right corner.

With the exception of the upper-right section of the screen, the contrast ratio for the Dell uP3214Q is higher for most of the display than it is in the center. The center measures in at 758:1 when calibrated, while other parts of the display are closer to 900:1. The upper-right dips down to 562:1 because of that higher black level but most of the display is better than that.

The color uniformity of the UP3214Q is very good overall. No section has an average dE2000 over 3.0, which is the target. Almost all the display comes in at a dE2000 average of 2.0 or below which is good, and the center area tops out at 1.64. These are all relative to the center of the display, so overall you can use the Dell UP3214Q for color critical work and what you see in one area of the display is what you will see in another area.

The Dell UP3214Q has much better display uniformity than the last UltraHD monitor I saw, the ASUS PQ321Q. Since it is targeting professionals with AdobeRGB support and uniformity compensation that is something I would expect to see. This testing is done with Uniformity Compensation enabled, though that mode does not work if you have MST enabled. Since MST is tempermental for me, I typically left it disabled and therefore did my measurements with it off.

Adobe RGB Test Data Input Lag, Power Use, and Gamut
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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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