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post #3791 of 4145
Quote:
Originally Posted by StargazerLuka View Post

hmm could it be because I was overclocking the monitor to 165hz? I haven't tested it at 144hz yet because I thought, you know, more was better tongue.gif Going by the ufotest the image has a slight ghosting trail behind it, is that normal?

165 Hz will be a little bit more blurry, but still a lot less blurry than any TV. At 144 Hz (my XB270HU doesn't have the 165 Hz overclock) and overdrive on normal, there is some slight trailing on the darker cyan background but it's very minor. These high refresh rate IPS monitors with OD on normal have some of the cleanest non-strobed motion clarity of any LCD display. Any trail is really just blur, not inverse ghosting like with overdrive on extreme and not like the black streaking left by AMVA panels.
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post #3792 of 4145
Quote:
Originally Posted by boredgunner View Post

165 Hz will be a little bit more blurry, but still a lot less blurry than any TV. At 144 Hz (my XB270HU doesn't have the 165 Hz overclock) and overdrive on normal, there is some slight trailing on the darker cyan background but it's very minor. These high refresh rate IPS monitors with OD on normal have some of the cleanest non-strobed motion clarity of any LCD display. Any trail is really just blur, not inverse ghosting like with overdrive on extreme and not like the black streaking left by AMVA panels.

Okay I've been messing around with stuff and it seems ULMB at 120hz does indeed give a very sharp pictures with no blurring although it does have some stuttering which I assume is a fps issue? (not staying at 120fps all the time?) to combat that would i simply have to reduce the framerate further? to like 100 or even 85hz for certain games?

Appreciate all the advice, I really do which to get the most out of this monitor not only because getting the place I bought it from to return it seems to be a hellish experience XD
post #3793 of 4145
Quote:
Originally Posted by StargazerLuka View Post

Okay I've been messing around with stuff and it seems ULMB at 120hz does indeed give a very sharp pictures with no blurring although it does have some stuttering which I assume is a fps issue? (not staying at 120fps all the time?) to combat that would i simply have to reduce the framerate further? to like 100 or even 85hz for certain games?

Appreciate all the advice, I really do which to get the most out of this monitor not only because getting the place I bought it from to return it seems to be a hellish experience XD

ULMB shouldn't cause stuttering. If you're using it with standard V-Sync however, then that would be V-Sync causing stuttering when dropping below 120 FPS.

You can try 100 Hz ULMB and 85 Hz ULMB, but 85 Hz ULMB is a real hazard due to the amount of flicker it produces. I find 100 Hz ULMB to be very straining in regular desktop use due to the flicker, although the flicker isn't problematic for me in games. However, both 100 Hz ULMB and 85 Hz ULMB, and especially the latter, produce a lot of "strobe crosstalk" or razor sharp ghosting. It's worse than motion blur, so I find no point in using them.

So I've come to the conclusion: ULMB is only suitable if I can maintain 120 FPS in a game with V-Sync. If I can't run that, I resort to 144 Hz G-SYNC (or in your case maybe 165 Hz). This just makes me want to upgrade my GPU more because 120 FPS ULMB is amazing!
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post #3794 of 4145
Quote:
Originally Posted by boredgunner View Post

ULMB shouldn't cause stuttering. If you're using it with standard V-Sync however, then that would be V-Sync causing stuttering when dropping below 120 FPS.

You can try 100 Hz ULMB and 85 Hz ULMB, but 85 Hz ULMB is a real hazard due to the amount of flicker it produces. I find 100 Hz ULMB to be very straining in regular desktop use due to the flicker, although the flicker isn't problematic for me in games. However, both 100 Hz ULMB and 85 Hz ULMB, and especially the latter, produce a lot of "strobe crosstalk" or razor sharp ghosting. It's worse than motion blur, so I find no point in using them.

So I've come to the conclusion: ULMB is only suitable if I can maintain 120 FPS in a game with V-Sync. If I can't run that, I resort to 144 Hz G-SYNC (or in your case maybe 165 Hz). This just makes me want to upgrade my GPU more because 120 FPS ULMB is amazing!

Yeah when it works it certainly does look very nice, I finally see what people were gushing over on the reviews that caused me to buy this monitor tongue.gif

One more question, I have a game that for some terrible port reasons means its locked to 30fps, I'm guessing this means that nothhing I do with this monitor is going to make that look any better? XD (its very stuttery with ULMB and very blurry with g-sync, seems I can't win at all with that certain game.
post #3795 of 4145
Quote:
Originally Posted by StargazerLuka View Post

Yeah when it works it certainly does look very nice, I finally see what people were gushing over on the reviews that caused me to buy this monitor tongue.gif

One more question, I have a game that for some terrible port reasons means its locked to 30fps, I'm guessing this means that nothhing I do with this monitor is going to make that look any better? XD (its very stuttery with ULMB and very blurry with g-sync, seems I can't win at all with that certain game.

Yeah you're going to have to pick your poison. Your options are G-SYNC, which will remove all tearing and stuttering, but the XB270HU will be running at 30 Hz so the response time will be... high, thus the blur (it averages 8.5 ms at 60 Hz, and this is half that so really slow). Option B would be to use nothing and run the XB270HU at 165 Hz or 144 Hz and get a bunch of tearing, but perhaps less motion blur. Option C would be to set the XB270HU to 120 Hz, use V-Sync, and set V-Sync tear control to 1/4 refresh rate in NVIDIA Inspector.

I'd just use G-SYNC in that scenario. Actually I'd never be in that scenario since I'd never play such a bad port. I have to ask, what game is that? Sounds like one of the older GTA titles lol.
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post #3796 of 4145
I have a question about ULMB with this monitor. Whenever I enable it, my FRAPS counter elevates past maximum refresh rate. I set ULMB in the NVIDIA control panel the screen will dim and the monitor settings will verify it as active. However with max refresh at 120, my fraps reading will be 134, 200, 145 - it fluctuates sometimes below, sometimes above max refresh.

Is there something wrong that I have enacted or is it a defect? As an aside, G Sync works as intended. The FRAPS reading never elevates above 144.
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post #3797 of 4145
Quote:
Originally Posted by SonnyTubbs View Post

I have a question about ULMB with this monitor. Whenever I enable it, my FRAPS counter elevates past maximum refresh rate. I set ULMB in the NVIDIA control panel the screen will dim and the monitor settings will verify it as active. However with max refresh at 120, my fraps reading will be 134, 200, 145 - it fluctuates sometimes below, sometimes above max refresh.

Is there something wrong that I have enacted or is it a defect? As an aside, G Sync works as intended. The FRAPS reading never elevates above 144.

Nothing is wrong, ULMB does nothing to cap frame rate. It just strobes the backlight on/off and basically removes sample and hold motion blur. So it should be used with V-Sync, unless you're a hardcore competitive gamer who notices the input lag increase with V-Sync, in which a frame rate limiter would work (although wouldn't completely remove tearing like V-Sync).
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post #3798 of 4145
What bothered me, was that the fps reading was both fluctuating and elevating past the capped framerate. For example, I set the maximum framerate to 120, enabled V-Sync, ULMB then played Wick - a not very demanding game - and the fps counter would read as high as 200 while fluctuating. That should not happen with V-Sync enabled plus a maximum frame rate of 120 HZ.

Odd, but then I tested the Acer refresh rate bar. It's read 120 while FRAPS remained 200'ish. I assume the refresh rate bar would be the reading to trust, and the FRAP's value must be the result of a software issue.
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post #3799 of 4145
Quote:
Originally Posted by SonnyTubbs View Post

What bothered me, was that the fps reading was both fluctuating and elevating past the capped framerate. For example, I set the maximum framerate to 120, enabled V-Sync, ULMB then played Wick - a not very demanding game - and the fps counter would read as high as 200 while fluctuating. That should not happen with V-Sync enabled plus a maximum frame rate of 120 HZ.

Odd, but then I tested the Acer refresh rate bar. It's read 120 while FRAPS remained 200'ish. I assume the refresh rate bar would be the reading to trust, and the FRAP's value must be the result of a software issue.

Well, you set the refresh rate to 120 and enabled ULMB. That means no matter what, even if the game is running at 200 FPS (which is what FRAPS measures, frame rate), the refresh rate of the monitor will be 120. Same if the frame rate drops below 120. So the problem here is that V-Sync just isn't working. Is it enabled in-game? Try using NVIDIA Control Panel or Inspector to change the game specific profile to V-Sync Force On and Standard tear control.
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The Wish Granter
(27 items)
 
Legacy Build
(18 items)
 
 
CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700X @ 3.7 GHz ASUS ROG Crosshair VI Hero X370 Zotac GTX 1080 Ti AMP Extreme G.SKILL TridentZ RGB 32GB DDR4 2933 
Hard DriveHard DriveHard DriveCooling
Samsung 960 Pro 1TB Samsung 850 EVO 500GB Samsung 850 EVO 250GB Cryorig H7 Quad Lumi 
OSMonitorKeyboardPower
Windows 10 Pro 64-bit Acer Predator XB270HU w/ Ideal Lume Standard bi... MK Disco TKL (KBT Black) Antec HCP Platinum 750W 
CaseMouseMouse PadAudio
Phanteks Enthoo Evolv ATX Tempered Glass Logitech G Pro Cooler Master Storm Speed-RX Creative Sound Blaster X-Fi Titanium HD 
AudioAudioAudioAudio
Yamaha RX-V579BL Ascend Acoustics CBM-170 SE Fluance XL7C Fluance AVBP2 
AudioAudioAudioAudio
Gustard U12 Chord Mojo Yamaha YST-SW012 8-inch subwoofer Blue Yeti Microphone w/ Pop Filter 
OtherOtherOther
Furman M-8X2 Power Conditioner Ducky Pocket Mechanical Keypad (Cherry MX Blue) NZXT Hue+ 
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Intel Core 2 Extreme QX6850 @ 3.6 GHz XFX nForce 680i LT XFX GeForce 8800 Ultra EVGA e-GeForce 9800GTX+ 
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Thermalright Venomous-X Delta AFC1212D-PWM Silverstone AP141 Windows 7 Professional 64-bit 
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LG Flatron IPS235 Ducky Shine DK9087 Shine 2 (Cherry MX Red, gree... EVGA G2 850W Lian-Li PC-7HX 
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post #3800 of 4145
Hi there, I just picked this amazing monitor a week ago and I'm facing two big problems.

First my rig is an i7 2600k @ 4.4 Ghz, dual ASUS GTX 670 on SLI and another 1440p monitor, an ACHIEVA SHIMIAN (one of those Korean catleap monitors).

I've got my Acer plugged with the display port cable included in the box to the display port of my Asus GTX 670 primary card and the other monitor plugged to the DVI port of the same card.

FIrst I'm not able to reach 144 Hz, NVIDIA settings won't allow me to choose more than 120 either on Windows 10 or Linux (I've got a dual boot system).
I don't have ULMB on, so I'm pretty much lost on what is happening there and the cause of this cap.

On other side I'm experience high ghosting effects using the monitor and gaming, is that a common occurrence?

Thank you in advance for your help.
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