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Yamakasi Catleap Monitor Club - Page 135

post #1341 of 11304
Quote:
Originally Posted by HyperMatrix View Post

Scribby, it's all just video card limitations. Prior to the GTX 680, you couldn't get a video card (at least in recent memory) to run 25601440 at 120hz. The reason this card can do it...is because it can run a 4k display at 60hz. This is new. Which is why it can do it. But our monitors were initially designed to go the full 120hz. Panel can handle it. And manufacturer used 120hz boards. But...since there was no real point in putting in a board that no one can take advantage of, they pulled them (i'm assuming has to do with cost/benefit analysis).
I also realized that I need to buy new power supply because as low power as they claim the gtx 680 is, you can't run 2 of them on an 850w power supply. Though my big honking 590 did fine. -_-

CUUURSSES!!!

I really wished I had gotten in on it when the 2Bs were available. I can't tell you how long I've wanted a 1440p with 120hz....

And my beloved bought me a 680 for my birthday.

Oh well, have a week before the actual day, maybe we'll get those boards.
post #1342 of 11304
A large part of why this hasn't existed yet is that the companies involved seem to be under a false impression that there's no benefit to a refresh rate above 60Hz except for 3D; somehow this mental block has evolved that just because the screen isn't flickering (as a CRT would at 60Hz) there's no reason to go higher than 60Hz; any old-time gamer who played on a CRT at 75Hz or 85Hz would tell you otherwise.

Now, knowing of this misinterpretation, the only reason a manufacturer feels they would introduce a refresh rate above 60Hz would be if it were doubled to 120Hz, which means you'd need to have enough hardware clout to drive the panel that fast to do 3D while playing a modern game - and we really haven't had the hardware to do that (and still border on not having it) at a resolution this high. The fact is though there's a market for high refresh LCDs for purposes *other* than 3D, and even running a panel like this at 80-90Hz (or running old games very fast) is still quite beneficial.

In addition, high cost of products like this is mostly due to extreme markup because of uniqueness; these Korean vendors appear to have no such hangups, and are willing to sell us the monitors much closer to their own actual cost even if it's an unusual or niche product.
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post #1343 of 11304
Just bought one, hope it goes well lol
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post #1344 of 11304
Quote:
Originally Posted by Sxcerino View Post

Now I have a question.
If it is possible for us to design a 1440P IPS 120hz monitor, then why are there none on the markets?

Because the response time on this panel is not quick enough for any significant improvement. Compare 100hz on these catleaps to 100hz on Samsung TN, it's not going to be anywhere near as good, and CRT is better yet again.

People seem to be under the false impression that more hz = better. It's not the refresh rate but rather the hold time of each frame that increases motion resolution. When an object moves across the screen and you follow it with your eye, if the image is held on screen for the entire duration of the frame, your eye keeps moving in the direction the object is moving, and blurs it on your retina. This is what causes motion blur, not response time. In order to reduce this you need to reduce the time each frame is held on screen, which is done by either inserting blanking or increasing the refresh rate, but in order to do that you need superfast response times otherwise you are spending too much of the frame's hold time waiting for the liquid crystal to change state.
post #1345 of 11304
Anyone with an overclocked B monitor getting BSOD on startup of BF3 when they run higher than stock res, I get BSOD when I try and start it at 83hz. This is with 7970 crossfire.
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post #1346 of 11304
Quote:
Originally Posted by stryker7314 View Post

Anyone with an overclocked B monitor getting BSOD on startup of BF3 when they run higher than stock res, I get BSOD when I try and start it at 83hz. This is with 7970 crossfire.

What's your BSOD code?

It's unlikely to be something caused by the monitor.
post #1347 of 11304
Quote:
Originally Posted by stryker7314 View Post

Anyone with an overclocked B monitor getting BSOD on startup of BF3 when they run higher than stock res, I get BSOD when I try and start it at 83hz. This is with 7970 crossfire.

This is another reason why they probably don't want to make 120hz 1440p because of all the technical issues and nonsupport in games, ramdac's not being fast enough etc.
post #1348 of 11304
Quote:
Originally Posted by Talfrey View Post

What's your BSOD code?
It's unlikely to be something caused by the monitor.

It's the driver. an the game.
Quote:
Originally Posted by sonicBlue View Post

This is another reason why they probably don't want to make 120hz 1440p because of all the technical issues and nonsupport in games, ramdac's not being fast enough etc.

ramdac is fast enough, was only doing 83hz with ramdac @ 326Mhz, its just bf3 = crap programming + Ati = crap programming = crap stability. Getting ready to sell these and move onto 2x 3or4gb GTX680's when releasesd.

Even team fortress works great at 83hz. Sad.
Edited by stryker7314 - 3/23/12 at 1:35am
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post #1349 of 11304
Quote:
Originally Posted by stryker7314 View Post

It's the driver. an the game.
ramdac is fast enough, was only doing 83hz with ramdac @ 326Mhz, its just bf3 = crap programming + Ati = crap programming = crap stability. Getting ready to sell these and move onto 2x 3or4gb GTX680's when releasesd.
Even team fortress works great at 83hz. Sad.

Figured it out, Ati driver + BF3 (at least on 7970 x-fire) do not like to run @ greater than 80hz with 2560x1440, completely stable at 80, once at 81 and above BSOD on startup (I also tested 82 and 83, got bsod also). Anyone else run into this yet?
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post #1350 of 11304
Can you notice a difference in TF2 between 60 and 80 Hz?
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