Use ulmb 120hz or 165hz raw

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dutchie84
Posts: 21
Joined: 27 Nov 2019, 10:39

Use ulmb 120hz or 165hz raw

Post by dutchie84 » 23 Dec 2019, 05:39

So from a competitive perspective what is best?

First: this is a native1440p panel, would it hurt my input lag if i game on 1080p ?
Now the question:

120hz with ulmb on 100 with fps uncapped

Or

165 hz raw , with cap on 162hz

Asus pg278qr tn panel

Thnx guys

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Chief Blur Buster
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Re: Use ulmb 120hz or 165hz raw

Post by Chief Blur Buster » 24 Dec 2019, 17:33

dutchie84 wrote:
23 Dec 2019, 05:39
So from a competitive perspective what is best?

First: this is a native1440p panel, would it hurt my input lag if i game on 1080p ?
Now the question:

120hz with ulmb on 100 with fps uncapped
The best way to use ULMB is perfect framerate=Hz match.
ULMB produces better competitive scores when you've got consistent framerates.
It's hard to skip a framerate differential without lag, but you can use things like:
(1) VSYNC ON + NULL; or
(2) VSYNC OFF RTSS Scanline Sync + NULL, or
(3) Low-Lag VSYNC ON HOWTO
One of the above can be a suitable candidate. Make sure you use a refresh rate at the bottom of the valley of your framerate range of your game; i.e. if your game fluctuates wildly from 100fps-150fps, then 100Hz may be better than 120Hz. Now if your game always run at really high Hz, choose the highest strobe-crosstalk-free refresh rate (144Hz and 180Hz will have far less double-images than 240Hz).
dutchie84 wrote:
23 Dec 2019, 05:39
165 hz raw , with cap on 162hz
The 3fps differential is only for variable refresh rate.
So,

(A) If you use GSYNC, yes, 162fps cap
(B) If you use VSYNC OFF, don't bother capping below Hz. 300fps is fine.

You must understand why the cap difference exists -- and when 3fps is good, and why 3fps is good, it's important to learn to cap correctly.
Head of Blur Busters - BlurBusters.com | TestUFO.com | Follow @BlurBusters on Twitter

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shedokan
Posts: 18
Joined: 05 Jun 2014, 18:33

Re: Use ulmb 120hz or 165hz raw

Post by shedokan » 25 Dec 2019, 03:29

Chief Blur Buster wrote:
24 Dec 2019, 17:33
dutchie84 wrote:
23 Dec 2019, 05:39
So from a competitive perspective what is best?

First: this is a native1440p panel, would it hurt my input lag if i game on 1080p ?
Now the question:

120hz with ulmb on 100 with fps uncapped
The best way to use ULMB is perfect framerate=Hz match.
ULMB produces better competitive scores when you've got consistent framerates.
It's hard to skip a framerate differential without lag, but you can use things like:
(1) VSYNC ON + NULL; or
(2) VSYNC OFF RTSS Scanline Sync + NULL, or
(3) Low-Lag VSYNC ON HOWTO
One of the above can be a suitable candidate. Make sure you use a refresh rate at the bottom of the valley of your framerate range of your game; i.e. if your game fluctuates wildly from 100fps-150fps, then 100Hz may be better than 120Hz. Now if your game always run at really high Hz, choose the highest strobe-crosstalk-free refresh rate (144Hz and 180Hz will have far less double-images than 240Hz).
dutchie84 wrote:
23 Dec 2019, 05:39
165 hz raw , with cap on 162hz
The 3fps differential is only for variable refresh rate.
So,

(A) If you use GSYNC, yes, 162fps cap
(B) If you use VSYNC OFF, don't bother capping below Hz. 300fps is fine.

You must understand why the cap difference exists -- and when 3fps is good, and why 3fps is good, it's important to learn to cap correctly.
What is the highest refresh rate possible to use with ULMB ON with latest monitors?

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Chief Blur Buster
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Re: Use ulmb 120hz or 165hz raw

Post by Chief Blur Buster » 25 Dec 2019, 16:33

shedokan wrote:
25 Dec 2019, 03:29
What is the highest refresh rate possible to use with ULMB ON with latest monitors?
Short answer:
Usually 120Hz or 144Hz.

Long answer:
It’s more complicated. Keep in mind that ULMB-like technologies comes under many different brand names such as DyAc, ELMB, VRB, PureXP, and others. List of motion blur reduction brand names for strobe-backlight-based motion blur reduction on gaming monitors.

Some of them lets you strobe as high as 240 Hz. However, there’s a rule of thumb: Refresh rate headroom is good for strobe backlights. In other words, 120Hz strobing on a 240Hz monitor, will usually look better than 120Hz strobing on a 144Hz monitor. That’s why the XG270’s strobing feature looks so good (compared to others) at 120 Hz. In general, Strobe crosstalk gets worse the closer you strobe to a monitor’s maximum refresh rate.

Some manufacturers lock strobing at a lower Hz but that’s simply an arbitrary lock (much like an overclock preventer in a CPU) to prevent quality complaints. While other manufacturers lets you strobe at any refresh rate, letting you decide on the refresh rate versus strobe crosstalk tradeoff.
Head of Blur Busters - BlurBusters.com | TestUFO.com | Follow @BlurBusters on Twitter

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Forum Rules wrote:  1. Rule #1: Be Nice. This is published forum rule #1. Even To Newbies & People You Disagree With!
  2. Please report rule violations If you see a post that violates forum rules, then report the post.
  3. ALWAYS respect indie testers here. See how indies are bootstrapping Blur Busters research!

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