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[Official] Dell U2713HM: 2560x1440 Semi-Glossy IPS Club - Page 37

post #361 of 3079
In case anyone was wondering, here is the Chroma 7121 calibration machine that Dell allegedly uses on these panels:
http://www.ebay.com/itm/Chroma-LCD-Color-Analyzer-Model-7121-with-Probe-/121106058728?pt=LH_DefaultDomain_0&hash=item1c327bcde8
The guy is asking 3 grand for it and it is USED; I don't even want to know what those cost new. They also use a ~$2,000 pattern generator thing (Chroma 2326). I can't find much info on either of these, other than random ebay listings.

This got me wondering; the TFTcentral tests said that the sRGB preset wasn't perfectly calibrated with the panel they got. However, I think they were just using a standard consumer calibration system that probably cost well under $1000, so I wonder if their apparatus was the one that was incorrect.
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post #362 of 3079
Quote:
Originally Posted by Grzesiu View Post

Ok, I don't have a picture, but I do have a review video. The monitor is currently hooked up to my HP/Voodoo blackbird powered by 2 EVGA GTX 570 2.5GB cards in SLI.



Perhaps it may just be a matter of luck with these monitors. I must say that my panel looked amazing from the factory, with no gamma correction needed as you can see from the video above. Looks just about on par with my U3011.
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post #363 of 3079
Thread Starter 
Quote:
Originally Posted by Grzesiu View Post

Ok, I don't have a picture, but I do have a review video. The monitor is currently hooked up to my HP/Voodoo blackbird powered by 2 EVGA GTX 570 2.5GB cards in SLI.
Added! Sorry it took a while.
Welcome to the club smile.gif
Quote:
Originally Posted by Grzesiu View Post

Perhaps it may just be a matter of luck with these monitors. I must say that my panel looked amazing from the factory, with no gamma correction needed as you can see from the video above. Looks just about on par with my U3011.
It's 100% luck, whether you have the A00 or A01 version it doesn't really matter. It's the same with all IPS/PLS monitors though to be honest, you're always at the mercy of the dead pixel/bright pixel/backlight bleed/IPS glow gods tongue.gif
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post #364 of 3079
Quote:
Originally Posted by Mjolnir125 View Post

What are you judging the "too high gamma" on? What other monitors are you comparing it to? The sRGB preset is factory calibrated with some VERY expensive equipment (a Chroma 7121 and 2326), and something tells me they are better at judging what the proper gamma is than your eyes... I found the gamma to be just right IMO; it was similar to the other dell IPS that I have (u2211H).


Also yes, I am the nitpickiest person in the world. I would't be SO nitpicky if this monitor wasn't $200 more than the monoprice and other cheaper panels.

I'm judging based on the fact that I use a ton of WQHD monitors at both home at work. I've used (best to worst, subjectively): Samsung S27B970D, 2713H, S27A850D, viewsonic 2770, u2711, and the HP ZR2740W. I'd rate the HM middle of the pack.... Anyway, I'm missing a few here but these are the ones i've used the most between home and work. Out of the box, the gamma is far higher on the 2713HM than any other WQHD i've used, which causes the colors to lack oomph or saturation. As I said the first instinct is to lower the brightness to compensate, but will dim the entire image and dilute it further. This also leads to another big problem, with intended blacks appearing as a cloudy grey on the screen - true blacks aren't possible on any IPS panel, but high gamma worsens the issue. If you want the best blacks , VA panels are the best bet, but that's a different topic...anyway, This is in contrast to the best WQHD i've used, the S27B970D, which has near perfect saturation immediately out of the box. This causes an effect of bright colors "popping" out, it's hard to describe. However, you pay for that privilege since that screen is over 1000$ MSRP.

Long story short, I think the monitor is very good, especially for the price. We just have to agree to disagree on the colors, but i'm judging based on viewing quite a few wide gamut monitors. That may have something to do with it as someone else has mentioned. smile.gif
Edited by xoleras - 5/11/13 at 8:44am
post #365 of 3079
Looks like the $699.99 U2713HM is back on sale for $584.98 on the Egg for those interested.

http://www.newegg.com/Product/Product.aspx?Item=N82E16824260111

Edit to add: Congrats on the monitor Xoleras. smile.gif Post a pic and join enrolling on our OP page.
     
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post #366 of 3079
Hmm sure why not

post #367 of 3079
Thread Starter 
Quote:
Originally Posted by xoleras View Post

Hmm sure why not
Added!
How many do you have? On the form you said 4 but I assumed that was all your monitors not just U2713HMs so I've put you down for 1 smile.gif
Let me know if you do actually have 4 so I can correct it.
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post #368 of 3079
@xoleras

Higher gamma actually improves the saturation, depth and apparent 'richness' of colours. This is counter-intuitive if you're used to gamma sliders which sort of do things in reverse, but for PC use the commonly accepted standard is '2.2'. The U2713HM (at least the unit I tested) hits this pretty much bang on. If you are using a screen with higher gamma (like the S27A850D which averages 2.3-2.4) then shades become more deeply saturated. You can see this demonstrated beautifully on monitors like the S27B970D which is nicely calibrated across the range of selected gamma modes (which are numbered 1.6-2.7).

Anyway the point here is that unless you got a dodgy unit the gamma behaviour of the U2713HM is very much as it should be. There might be something else at play - many of the models you mentioned have a superior colour gamut to the U2713HM. Obviously the U2711 and U2713H have a wide colour gamut but the S27B970D, S27A850D and ViewSonic VP2770 also have a slightly more generous colour gamut in some regions than the U2713HM.
post #369 of 3079
Quote:
Originally Posted by AndyM95 View Post

Added!
How many do you have? On the form you said 4 but I assumed that was all your monitors not just U2713HMs so I've put you down for 1 smile.gif
Let me know if you do actually have 4 so I can correct it.

Whoops smile.gif I have 1. I have multi monitor madness going on, but I have 1 2713HM.
post #370 of 3079
Quote:
Originally Posted by PCM2 View Post

@xoleras

Higher gamma actually improves the saturation, depth and apparent 'richness' of colours. This is counter-intuitive if you're used to gamma sliders which sort of do things in reverse, but for PC use the commonly accepted standard is '2.2'. The U2713HM (at least the unit I tested) hits this pretty much bang on. If you are using a screen with higher gamma (like the S27A850D which averages 2.3-2.4) then shades become more deeply saturated. You can see this demonstrated beautifully on monitors like the S27B970D which is nicely calibrated across the range of selected gamma modes (which are numbered 1.6-2.7).

Anyway the point here is that unless you got a dodgy unit the gamma behaviour of the U2713HM is very much as it should be. There might be something else at play - many of the models you mentioned have a superior colour gamut to the U2713HM. Obviously the U2711 and U2713H have a wide colour gamut but the S27B970D, S27A850D and ViewSonic VP2770 also have a slightly more generous colour gamut in some regions than the U2713HM.

Ah, I see. Thanks for the info - It could be entirely related to some of the other models being wide gamut, I am not sure. Like I said, the 2713HM is a great monitor especially for the price. My intention wasn't to knock it, it was just my immediate observation out of the box. It does look different than some of the other PLS and wide gamut IPS screens I've used.
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