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Which 120Hz display to get? - Page 3

post #21 of 30
Quote:
Originally Posted by SeanPoe View Post
Screen tearing isn't some magical thing that happens when your fps is in-between 60 and 100. It happens because your FPS has exceeded the refresh rate of your monitor so the game has to start dropping frames. 61 fps and 1000 fps can have the same amount of screen tearing on a 60hz display, there's no magical number here. Anything over 60 will cause tearing. With a 120hz monitor that threshold is pushed-back to 120fps -- so you have an additional 60fps buffer zone to play with. Anything over 120fps will cause screen tearing with a 120hz display just like with anything over 60fps will on a 60hz display.
You can facepalm me all you want. I've gotten screen tearing @6x fps while using 120hz. It was fixed as soon as i enabled v-sync to halve the refresh rate, so i conclude it was, indeed, screen tearing.
    
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post #22 of 30
Thread Starter 
As far as I understand it you will ONLY ever get screen tearing at a fps above your monitor's refresh rate. I just wish the 120Hz monitors weren't so expensive (you can get 120Hz 42" TV's for less than that Samsung)....
post #23 of 30
Quote:
Originally Posted by Majin SSJ Eric View Post
As far as I understand it you will ONLY ever get screen tearing at a fps above your monitor's refresh rate. I just wish the 120Hz monitors weren't so expensive (you can get 120Hz 42" TV's for less than that Samsung)....
Too bad it's not really 120hz(input)

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post #24 of 30
^ What he said. Half of the frames displayed are produced by the tv itself. So, if the tv has to create a mean frame between 2 frames affected by screen tearing, you'll end up seeing, at least, 3 frames of screen tearing or, in the worst case scenario, a clusterfrack of artifacts.
    
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post #25 of 30
Quote:
Originally Posted by Majin SSJ Eric View Post
I just wish the 120Hz monitors weren't so expensive
Compared to what? Both your gpus? =)

Quote:
Originally Posted by Majin SSJ Eric View Post
As far as I understand it you will ONLY ever get screen tearing at a fps above your monitor's refresh rate.
Also, tearing happens with fps under your refresh rate; it's just less noticeable, most people report.
Edited by ToTheSun! - 10/19/11 at 9:30am
    
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post #26 of 30
Quote:
Originally Posted by y2kcamaross View Post
Too bad it's not really 120hz(input)
Edit: misread, didn't see him mention "TV"
It is actually 120hz though. He's not talking about some crap interpolated 120hz TV. 120hz monitors can show up to 120 real frames per second.

Quote:
Originally Posted by ToTheSun! View Post
What he said. Half of the frames displayed are produced by the tv itself. So, if the tv has to create a mean frame between 2 frames affected by screen tearing, you'll end up seeing, at least, 3 frames of screen tearing or, in the worst case scenario, a clusterfrack of artifacts.
This is not how a 120hz monitor works.

Quote:
Originally Posted by ToTheSun! View Post
Also, tearing happens with fps under your refresh rate; it's just less noticeable, most people report.
As far as i know, that's not screen tearing, that's judder. When your fps is under your refresh rate, and that fps number isn't a factor of the display's refresh rate (ie, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120 for a 120hz display), then some of the repeated frames have to be dropped. The difference here is only additional frames get dropped so you don't get artifacts or screen tearing. At worst you only get a very minor, nearly imperceptible jitter. Besides, this is all theoretical anyways. I've never seen this happen in games. I just played 30 minutes of Counter Strike and i capped my fps to 67 fps (which isn't a factor of 120) and saw no screen tearing and absolutely no perceptible judder. I then tried Mass Effect 2 again, which probably has the most screen tearing I've ever seen in a game, and there's no screen tearing whatsoever. On my 60hz display i see a tear in that game about once every two seconds during cutscenes. None on my 120hz monitor.
Edited by SeanPoe - 10/19/11 at 6:04pm
post #27 of 30
Quote:
Originally Posted by SeanPoe View Post
This is not how a 120hz monitor works.
The other guy and I were talking about 120hz HDTV's. THAT IS how 120hz TV's work. They interpolate frames.

Quote:
Originally Posted by SeanPoe View Post
As far as i know, that's not screen tearing, that's judder.
Well, i wish i could say that, but i can't ignore the annoying line that seems to separate 2 different frames. It doesn't always annoy me, but in some games it's way too obvious.
Edited by ToTheSun! - 10/19/11 at 12:09pm
    
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post #28 of 30
Quote:
Originally Posted by ToTheSun! View Post
The other guy and I were talking about 120hz HDTV's. THAT IS how 120hz TV's work. They interpolate frames.


Well, i wish i could say that, but i can't ignore the annoying line that seems to separate 2 different frames. It doesn't always annoy me, but in some games it's way too obvious.
What games, what monitor, what GPU? You most likely don't have your monitor set to 120hz in windows or the game's refresh rate is set to 60hz (or being forced to 60hz like Dirt 3 does).
post #29 of 30
Quote:
Originally Posted by SeanPoe View Post
What games, what monitor, what GPU? You most likely don't have your monitor set to 120hz in windows or the game's refresh rate is set to 60hz (or being forced to 60hz like Dirt 3 does).
It's set to 120hz; the game was simply running just a little over 60 fps.
It's not an issue unheard. I'm glad you haven't experienced it lalala
    
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post #30 of 30
Quote:
Originally Posted by SeanPoe View Post
It is actually 120hz though. He's not talking about some crap interpolated 120hz TV. 120hz monitors can show up to 120 real frames per second.



This is not how a 120hz monitor works.
Actually, what I quoted, he was talking about a 120hz TV, which is why I said what I said

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