I calibrate every monitor using CalMAN V5 with an i1Pro spectrometer and a SpectraCal C6 colorimeter. Our first calibration target is for 200 nits of light output, the sRGB color gamut, and a power gamma of 2.2. For the calibration I used the Standard mode on the monitor, as that allowed access to the User Color Temperature control, which let me set 100% white correctly without using the video card LUT.

Using this setup, our grayscale really comes into line on the BenQ. Our average error is really non-existent, other than at 0 which we can’t fix, and I can’t exclude from this chart or I would. The color tint has been totally eliminated, and the gamma is almost spot-on. Our contrast ratio has risen to 820:1, a 16% increase in what is often the most important element of an image overall. As far as grayscale goes, this is essentially perfect.

On the color side we see some improvement, but this is mostly due to the improvement in the grayscale. SpectraCal is going to improve CalMAN to remove White from the Gamut dE2000 number, to provide a more accurate data point on how much color error was improved in the future. The red primary is a little under-saturated and green is a little low in luminance, both errors that calibration can’t correct. The color gamut is good, but not excellent.

The Colorchecker data is better, but also not perfect here. The formerly high luminance has now been fixed, and luminance is nearly perfect. Those orange-yellow shades continue to cause issues however, with errors close to 3, and the same goes for a shade of blue that lies on the edge of the sRGB gamut. The numbers are much better than before but not as good as some other displays, especially on those orange-yellow colors.

After calibration the saturations are almost worse at 100%, but better below that. Some people disagree on if it is better to have 100% saturation fixed or the values below that have a lower error, but overall the values are better than they were before calibration.

Post calibration, the BenQ is certainly better than it was before it. It is virtually perfect in the grayscale, but the gamut doesn’t improve that much as the issues it has are ones that calibration can’t fix, as calibration can’t add luminance or saturation that isn’t there to begin with. I was happy to see how much the BenQ improved, and you can do much better than the preset sRGB mode.

Viewing Angles, Pre-Calibration Numbers and Gamut Calibration - 80 nits, sRGB Gamma Target


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  • chizow - Tuesday, June 18, 2013 - link

    Glad to see you are revisiting the review of this monitor with a fresh outlook. Honestly, after you have your new results with LightBoost, you may consider just re-writing the entire review. It's a completely different market for this type of monitor that gets away from the muddy mosaics of finely pixeled high-res monitors. Reply
  • qiplayer - Saturday, November 9, 2013 - link

    The today's problem is comunication. Companies want to throw stuff on the market and us to buy. Actually they have no idea what is our need expectations and so on. They lack on ability to observe. ...Today I saw the graps of gtx 780 gtx780ti gtx titan clock behaviour during heavy load/gameplay. Clock is high and every 45 seconds it drops by 40% =every 40 second you get fps drops. Is it possible that they sell a card for 1000$ and haven't found a better solution? YES, they (nvidia) probably even didn't notice it. It would have been enough to let the max clock be 3-5% lower to avoid the needing to downcloack.
    So yes they produce and hope to sell, they found out the solution that many gamers aspire to have in a monitor by case, by looking for a better 3D.

    And if we look cell phones, I'm since years looking for something that is not an iphone, but I always felt I can't type half that fast with samsung htc and so on because the keys had a lag lighting up when pressed. For years this aspect hasn't been seen in reviews, then, one day "tadaaahhh" revelation: a test of touchscreen responsetime. Iphone was far better than the best samsung. So is it possible that no one of the thousands worldwide reviewers noticed it? No one engineer?
  • cheinonen - Wednesday, June 19, 2013 - link

    I've added charts and data on Lightboost to the review, as well as commentary on the image quality of it. They can all be found on the gaming use and lag page. Reply
  • chizow - Wednesday, June 19, 2013 - link

    "One thing this does do it lock out all the picture controls except color and brightness."

    It only locks you out once you enable LightBoost, prior to that you can make any adjustments to presets, color, temperature, sharpness etc. At least that is how it worked on my 2 previous 3D Vision monitors.

    Also, you shouldn't lose any brightness, if anything, the image is usually too bright for those who are not accustomed to it as brightness is maxed out and locked and strobing at 2x brightness.

    Anyone interested in the truly important vitals of this monitor should follow mdrejhon's links as they give a much more accurate picture of this monitor's strengths.
  • cheinonen - Wednesday, June 19, 2013 - link

    You're going to lose brightness because it's working with black frame insertion basically to mimic the performance of a CRT in that way. The lack of object permanence on-screen causes the eye to see motion as being more fluid when tracking something. This same behavior also means that instead of the backlight being on all the time, it's shut down every so often and that causes a measurable drop in light output. With the monitor at factory settings, other than Lightboost, and contrast set to the maximum level before clipping, I got under 130 cd/m2. Going higher requires clipping.

    As far as the user controls being locked out, at least on the BenQ when it went into Lightboost mode my previously set user color temperature settings were removed, leading to the blue image. Different monitors could easily have different settings, but on the BenQ they were all locked out.

    I've read all of mdrejhon's links, and he's providing his perspective. He, and many others, are after the least amount of blur no matter what, and that's fine. To me, the trade-off in brightness, color quality, and noticeable flicker are not worth it to me. But that's my opinion. However I think comments that color quality is unimportant compared to the 120Hz mode is giving BenQ a free pass. They could easily provide both, but choose not to due to cost or another reason. If color accuracy isn't important to you at all, that's fine, but it shouldn't be dismissed outright.
  • sweenish - Monday, June 17, 2013 - link

    180-220 is a 10% range, is it not? Reply
  • brucek2 - Monday, June 17, 2013 - link

    Thanks Chris. I really appreciate direct, straight forward conclusions like yours. The most important part of most reviews to me is the part that says this product is either the winner for some specific use case, or if not here are the likely better options to consider. Far too many reviewers are afraid to be so blunt so I always appreciate it when I see it. Reply
  • mdrejhon - Tuesday, June 18, 2013 - link

    To be fair, SkyViper (a former CRT user) thought a 120Hz monitor was disappointing until he enabled LightBoost:

    "I felt like I may have wasted $300 bucks on a monitor that is full of compromises. The next thing I tried of course was using the Lightboost hack."
    [...Enables LightBoost....]
    Am I seeing this correctly? The last time I gamed on a CRT monitor was back in 2006 before I got my first LCD and this ASUS monitor is EXACTLY like how I remembered gaming on a CRT monitor. I was absolutely shocked and amazed at how clear everything was when moving around. After seeing Lightboost in action, I would have gladly paid twice the amount for something that can reproduce the feeling I got when playing on a CRT. Now I really can’t see myself going back to my 30″ 2560×1600 IPS monitor when gaming. Everything looks so much clearer on the ASUS with Lightboost turned on.”
  • Panzerknacker - Monday, June 17, 2013 - link

    Agree with your conclusion Chris, TN monitors are just completely worthless for anything, looking at them makes me puke. Many years ago I used to be a hardcore gamer, but when my CRT died and I was forced to purchase a LCD monitor, that completely spoiled the fun I had in gaming. Everything suddenly looked like complete crap, especially the dark atmospheric games I used to enjoy like Doom 3 and Splinter Cell. Displays like this are maybe only good for one thing, and that is proffesional gaming tournaments where nothing matters but respons. Even while practicing at home though I would prefer the better looks of a IPS over the faster respons of the TN.

    How do modern IPS screens do in terms of allround gaming vs CRT's? I still use to think all LCD's just suck, I just bought a phone with the best display on the planet and everybody and every review says it has the most awesome black levels ever in a LCD, but imo it still sucks compared to CRT.
  • Insomniator - Monday, June 17, 2013 - link

    TN panels ruined gaming for you? Give me a break. Reply

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