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[Official] The Qnix/X-Star 1440p Monitor Club - Page 583

post #5821 of 25893
Quote:
Originally Posted by yasamoka View Post

It is my belief that since these overclockable Korean monitors come with the Explore EP269 controller, they are natively capable of a 450MHz pixel clock (around ~110Hz roughly). The 96Hz is easy since other factors like cable quality, graphics cards, drivers (for those who don't apply patches), etc... come into play after. And to be honest, most of the people who overclock don't go all the way to make sure they're getting a higher overclock / lower pixel clock. They see a scan line and that's that.

Another limitation is the Samsung PLS panel that's used in these. Obviously, with the increased image retention, gamma shift, and uniformity issues (with high pixel clocks according to Spartan F8 - you're awesome), it's clear that these panels are made for 60Hz in mind. For those who cannot calibrate their monitors with a colorimeter / spectrophotometer, or cannot reach a desired gamma level that's pleasing to their eyes (subjective), or cannot find ICC profiles that make the monitor come close to their desired gamma level (again, subjective and not very accurate), they might prefer a lower overclock to reduce the gamma shift. I hope that doesn't seep into the overclocking results.

I'd like to test that theory (in the first paragraph) with a sample of overclockers who've only gotten up to 96Hz, hopefully when I get my monitor.

I think both of these ideas are definitely worth looking into. I have been hinting about the timings for a while now and it would be interesting to know how many people may be missing out on a good deal of stability. The LVDS converter is interesting as i did not know they made same capable of dual link 400MHz+ support. After a bit of search i found these pages which has a bit of good info regarding these converters if anyone is interested.

http://www.overclock.net/t/1225919/yamakasi-catleap-monitor-club/2110
http://www.epmi.com.tw/news.php?id=102

It would be interesting to see if this improves resulting overclock stability by having a possible increase of bandwidth. The main issue with LVDS is dithering and scaling capabilities. If yourself or anyone else finds a link to directly purchase these(not in bulk) i would buy one to try it out since my panel is debezeled and the board is easily accessible already. I would also like to try it on other name brand IPS panels i have at my disposal to do some other testing regarding overclock possibilities(although this may also take a OC PCB as well. something that can be easily be obtained from Overlord).
post #5822 of 25893
The monitors here DO use the EP269 controller so we already have the monitors capable of handling 450MHz at stock. 60Hz is sort of an underclock, if you get what I mean.
post #5823 of 25893
I went back 20-30 pages, I'm not seeing any comparisons of the two monitors. I give up, so if it's already been talked about, I apologize, but I don't want to have to read 600 pages....

27" QNIX QX2710 LED EvolutionⅡ 2560x1440 PLS Matte Monitor $270
vs
27" X-Star DP2710 2560x1440 LED Monitor w/ Samsung PLS Panel (Matte) $259

Has anyone gotten their hands on both to do a comparison?
post #5824 of 25893
I don't know if this is a stupid question or not, but if I purchase one of these. Can I run a game at a lower resolution in full screen mode because it apparently has no scaler?
Edited by Tom114 - 8/18/13 at 10:54am
post #5825 of 25893
Quote:
Originally Posted by mmille24 View Post

I went back 20-30 pages, I'm not seeing any comparisons of the two monitors. I give up, so if it's already been talked about, I apologize, but I don't want to have to read 600 pages....

27" QNIX QX2710 LED EvolutionⅡ 2560x1440 PLS Matte Monitor $270
vs
27" X-Star DP2710 2560x1440 LED Monitor w/ Samsung PLS Panel (Matte) $259

Has anyone gotten their hands on both to do a comparison?

This is covered in the OP. You do not need to read the last 600 pages to find it. You can also search "qnix vs xstar". Although you did apologize if you search the entire forum you will see this has been asked 38 times. To protect myself from those who advocate answers being given regardless of the repeat nature of them i will tell you there is no difference at all with the panel or bezel. There is one unconfirmed report that the stand is more easily removable on the xstar due to a lack of screws in the stalk. This is unconfirmed and has had conflicting reports by other sellers. The panels are the exact same Samsung PLS panel model.
Quote:
Originally Posted by yasamoka View Post

The monitors here DO use the EP269 controller so we already have the monitors capable of handling 450MHz at stock. 60Hz is sort of an underclock, if you get what I mean.

No i understand that but another one would give me redundant testing from chip to chip. It is another variable not yet explored and basically would be the variance between EP269 LVDS boards. Also i would have a second board for monitor to monitor testing thus looking further into the EP269's capabilities further which is in line with your recommendation. Otherwise i would have to take my Qnix down for cross testing. This would narrow out which part of the monitor is the limiting or proceeding factor(like dropping 20hz in overclock ability from chip to chip of if it is more panel dependent).
Quote:
Originally Posted by Tom114 View Post

I don't know if this is a stupid question or not, but if I purchase one of these. Can I run a game at a lower resolution in full screen mode?

Yes but only with a computer with a Gfx card that has a scaler. The panel has no internal scaler so any device that does not have a scaler(xbox, playstation, DVD players) will not work. There has also been reports of people not being able to render lower resolutions even with the GPU doing the scaling but after tweaking they have gotten it to work. You can also use software scaling with softth or another comparable software. This is also somewhat covered in the OP.
Edited by Spartan F8 - 8/18/13 at 10:54am
post #5826 of 25893
is there any complications with SLI and this monitors?
post #5827 of 25893
If I grab a non pixel perfect Qnix Gloosy from dream-seller with a 3-year SquareTrade warranty, and it has a dead pixel, what do I do? Note that this is theoretical.
post #5828 of 25893
Finally broke down and pulled the trigger on the Qnix from green sum for $269 post pics when it arrives
Blood_Titan_X
(28 items)
 
  
CPUMotherboardGraphicsRAM
i7 5960X ASUS Rampage V Extreme EVGA GTX 980ti SLI G-Skill ripjaws 4 
Hard DriveHard DriveHard DriveHard Drive
samsung 840 pro  Crucial M4  WD Caviar Black WD Black  
CoolingCoolingCoolingCooling
koolance cpu-380i lamptron touch  bits power dual D5 top  ek gtx titan backplate x 2 
CoolingCoolingCoolingCooling
ek 3 way parallel bridge EK GTX TitanX x 2 EK multi option 250 mcp 655 x 2  
CoolingCoolingCoolingCooling
phobya G-Changer 480 x 2  koolance 1/2id 3/4od fittings koolance vl3n QDC scythe GT AP-15 x 9 
CoolingOSMonitorKeyboard
scythe GT AP-45 x 4 Windows 8.1 Pro Q-nix 2560x1440p  Ducky Shine 3 Cherry MX Black  
PowerCaseMouseMouse Pad
Corsair AX1200i Corsair 900D evga torx x10 evga torx x10 
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Blood_Titan_X
(28 items)
 
  
CPUMotherboardGraphicsRAM
i7 5960X ASUS Rampage V Extreme EVGA GTX 980ti SLI G-Skill ripjaws 4 
Hard DriveHard DriveHard DriveHard Drive
samsung 840 pro  Crucial M4  WD Caviar Black WD Black  
CoolingCoolingCoolingCooling
koolance cpu-380i lamptron touch  bits power dual D5 top  ek gtx titan backplate x 2 
CoolingCoolingCoolingCooling
ek 3 way parallel bridge EK GTX TitanX x 2 EK multi option 250 mcp 655 x 2  
CoolingCoolingCoolingCooling
phobya G-Changer 480 x 2  koolance 1/2id 3/4od fittings koolance vl3n QDC scythe GT AP-15 x 9 
CoolingOSMonitorKeyboard
scythe GT AP-45 x 4 Windows 8.1 Pro Q-nix 2560x1440p  Ducky Shine 3 Cherry MX Black  
PowerCaseMouseMouse Pad
Corsair AX1200i Corsair 900D evga torx x10 evga torx x10 
  hide details  
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post #5829 of 25893
I also pulled the trigger, bought it here from Green-sum, the cheapest one that ships to the netherlands. The price in paypal was exactly 240 euros.

I don't know if I should be excited or nervous now lol
post #5830 of 25893
Quote:
Originally Posted by Tom114 View Post

I don't know if this is a stupid question or not, but if I purchase one of these. Can I run a game at a lower resolution in full screen mode because it apparently has no scaler?
That is anything but a stupid question. From what I've read, you need to use the scaler on your GPU.
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