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(Reviewed) $400 2560x1440 IPS no-AG 90hz+ Achieva Shimian QH270 and Catleap Q270 - Page 38

Poll Results: Vote when your Achieva/Catleap monitor comes in.

 
  • 41% (232)
    Achieva QH270
  • 2% (12)
    Achieva QH270 (DOA / didn't recieve)
  • 8% (46)
    Achieva QH270 (Dead pixel(s) / flawed panel)
  • 40% (224)
    Catleap Q270
  • 1% (8)
    Catleap Q270 (DOA / didn't recieve)
  • 5% (33)
    Catleap Q270 (Dead pixel(s) / flawed panel)
555 Total Votes  
post #371 of 4784
Thread Starter 
Quote:
Originally Posted by Agenesis View Post

I wonder if heat will be an issue for the tempered glass versions since air wont be hitting the screen directly. My U2410 gets pretty toasty after a day of use and it puts out a good amount of heat similar to my radiator if I put my hand over it.

LEDs put out much less heat than fluorescent backlights do. Mine didn't heat up with a black or grey screen, and I've never heard of glass Apple Cinema Displays overheating. We'll find out soon.
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post #372 of 4784
Quote:
Originally Posted by SJetski71 View Post

You may already know but it's way more complicated than that in regards to 8-bit and 10-bit and even the ZR30w which costs nearly 3X more than the Shimian. As with my earlier post, lets not get everyone goosed up with this 8-bit and 10-bit thing because all of the possible variables and ensuing complications will not do anyone here any good. 10-bit is not for everyone and it certainly isn't built for every application, many applications won't work in a 10-bit color-space so 10-bit owners will often be dealing with dithering and non-accurate colors anyway. As i said before, 10-bit is best reserved for professionals and color enthusiasts with the right hardware, software and knowledge on how to set it up properly.
Personally, i like CCFL better than LED backlights, but it does not mean that an LED backlight cannot have a reasonable degree of color accuracy (i am only clarifying, not correcting) results will vary from model to model.
In case anyone is curious, this thread ought to shed some light on the ZR30w and 10-bit peculiarities: http://hardforum.com/showthread.php?t=1554977

At the absolute most, there is probably a 30% difference in terms of color gamut between a 10-bit CCFL and 8-bit LED.

And even then, unless, as you said, one has the hardware and software necessary to drive a true 10-bit panel (as I also mentioned above) - a 10-bit CCFL panel will do 95% of the people in this thread no good anyways.

For most people, they're probably in the same boat as i am; allow me to illustrate:

338

That is really all I care about; moving to a quality 2560x1440 IPS (from my current1920x1200 res.) monitor for an insanely cheap price. Most people here will probably use their monitor for gaming, movies, a general upgrade in screen space, etc. - but i'd be willing to bet that, again, a large majority will not even possess any sort of need for a true 10-bit panel.
Quote:
Originally Posted by brucethemoose View Post

LEDs put out much less heat than fluorescent backlights do. Mine didn't heat up with a black or grey screen, and I've never heard of glass Apple Cinema Displays overheating. We'll find out soon.

An added benefit of LEDs is that they warm up and display full colors much, MUCH faster than CCFLs. This is actually VERY noticeable.
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post #373 of 4784
Thread Starter 
Quote:
Originally Posted by born2bwild View Post

The 8-bit monitors are priced incredibly well. Though you should not expect the same performance as well known high-end IPS screens; these use an LED backlight which results in lesser color accuracy. And also, the cheaper models can only display 16 million colors while the high-end IPSes can display 1 billion colors.

The 10-bit monitors are priced similarly to my HP ZR30W (also sporting a 10-bit display), except you get warranty and other perks with the HP model. So I don't recommend getting those.

I've seen and stared at diagnostic imaging monitors built and calibrated beyond the standards of any consumer IPS. They're one of those things that don't have a listed price: if you have to ask, you can't afford it. Their contrast and color accuracy is far beyond anything in my school's photo lab, or anywhere else.

In other words, I've seen and worked with a few different 10 bit displays. While a 30 bit (10 bit) monitor is essential for a mammogram or MRI, and while it helps with getting the most accurate print possible, for everyday desktop usage, gaming, and even photo editing, I couldn't tell the difference between an 8 bit and a 10 bit dithered display any day.

That said, you're right. Unless you truly despise AG, I would recommend getting a $650 zr2740w or a $900 zr30w instead of a higher end qh270 or a qh300, as HP provides a warranty and service. But nothing sold here comes close to the base qh270.
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post #374 of 4784
Quote:
Originally Posted by mikeawesome View Post

those of you who ordered from dream seller, did they give you a tracking number?

I ordered last Wednesday and just received a tracking number.
post #375 of 4784
Quote:
Originally Posted by jcde7ago View Post

That is really all I care about; moving to a quality 2560x1440 IPS (from my current1920x1200 res.) monitor for an insanely cheap price. Most people here will probably use their monitor for gaming, movies, a general upgrade in screen space, etc. - but i'd be willing to bet that, again, a large majority will not even possess any sort of need for a true 10-bit panel.

^^^^ THIS X100000. biggrin.gif Only a few reasons I'm interested in this

1) IPS. Better than my TN garbage, even if it's only 8 bit.
2) $400.
3) 2560x1440 resolution
4) See number 2
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Needs More Red
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post #376 of 4784
Quote:
Originally Posted by r34p3rex View Post

^^^^ THIS X100000. biggrin.gif Only a few reasons I'm interested in this
1) IPS. Better than my TN garbage, even if it's only 8 bit.
2) $400.
3) 2560x1440 resolution
4) See number 2

for me:
1) my u2312hm IPS seems not much different from my 3 years old p2494hs TN
2) $250 here in Korea XD
3) 2560x1440, previously i am viewing 3 pdf in a time with 1080p, now i assume i can view atlaest 4 to 5
post #377 of 4784
How hard will it be to see a dead pixel on the 27" IPS? I can noticeable see one on a 1440x900 17" screen and i just made a wallpaper for my 1920x1080 22" with a bright pixel as well and i can against a black background very clearly still see it, but how about the 2560x1440 IPS? The seller said that up to 5 dead pixels is okay so I want to know IF I ever get one with a few that they will be difficult to see or something like that. I'm still getting the tempered glass NON-TEMPERED GLASS one but I just want to know ahead of time smile.gif
EDIT: With the 5 dead pixel return policy on the slow-shipping tempered glass screen I'd rather just sacrifice not having glass which has no performance benefit and get the one from dreamseller.

EDIT 2: it seems that dreamseller put up a tempered glass screen up as well for only $402!!!!!
Edited by CrazzyRussian - 2/27/12 at 9:56pm
post #378 of 4784
Quote:
Originally Posted by tcboy88 View Post

for me:

3) 2560x1440, previously i am viewing 3 pdf in a time with 1080p, now i assume i can view atlaest 4 to 5
screenshot 3 pdf in a time with 1080p.
    
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post #379 of 4784
Quote:
Originally Posted by brucethemoose View Post

You're in for a treat. Quadrupling my screen resolution with much better viewing angles put a big smile on my face, moving from any TN panel will do the same for you. And if you're talking about the poll, IDK if I can even change without removing it.

I know! I can't wait! too bad I just have so many projects nowadays... not enough time to spend with it! I will however, try to get as many pics up as I can. And yeah, dreamseller did add a QH270-IPSB, the one I bought. Although the pictures seem to show the speakers on back... I guess i'll be taking full shots of it either way.
Quote:
Originally Posted by r34p3rex View Post

^^^^ THIS X100000. biggrin.gif Only a few reasons I'm interested in this
1) IPS. Better than my TN garbage, even if it's only 8 bit.
2) $400.
3) 2560x1440 resolution
4) See number 2

^This!
I'm coming from a HORRID TN panel... it's a 1080p TV that i'm using as a monitor (has built in TV tuner) and literally I will see my reds go from red at the bottom near center to the top of the screen while viewing straight on... it's sad. And, the increase in res is all i'm in it for (although I'll feel sorry for my 570... now has to push more pixels... but whatevs!
Edited by AchuSaysBlessYou - 2/27/12 at 10:33pm
post #380 of 4784
Quote:
Originally Posted by Remix65 View Post

screenshot 3 pdf in a time with 1080p.

338
it is important to review many technical papers simultaneously when trying to write a conference paper

also it is important do view many pages simultaneously especially writing a 50 pages reports
sorry for the black filter
338
Edited by tcboy88 - 2/27/12 at 11:09pm
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