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NVIDIA G-SYNC Display Tech

NVIDIA announces their new G-SYNC display technology, saying this new monitor tech will provide "ultra-smooth, stutter-free gaming when it becomes available as a module for existing monitors, with G-SYNC-native displays due next year. The announcement quotes John Carmack saying "G-SYNC just blew me away," and Tim Sweeney calling it "the biggest leap forward in gaming monitors since we went from standard definition to high-def." Here's an explanation:

Problematically, graphics cards don’t render at fixed speeds. In fact, their frame rates will vary dramatically even within a single scene of a single game, based on the instantaneous load that the GPU sees. So with a fixed refresh rate, how do you get the GPU images to the screen? The first way is to simply ignore the refresh rate of the monitor altogether, and update the image being scanned to the display in mid cycle. This we call ‘VSync Off Mode’ and it is the default way most gamers play. The downside is that when a single refresh cycle show 2 images, a very obvious “tear line” is evident at the break, commonly referred to as screen tearing. The established solution to screen tearing is to turn VSync on, to force the GPU to delay screen updates until the monitor cycles to the start of a new refresh cycle. This causes stutter whenever the GPU frame rate is below the display refresh rate. And it also increases latency, which introduces input lag, the visible delay between a button being pressed and the result occurring on-screen.

Worse still, many players suffer eyestrain when exposed to persistent VSync stuttering, and others develop headaches and migraines, which drove us to develop Adaptive VSync, an effective, critically-acclaimed solution. Despite this development, VSync’s input lag issues persist to this day, something that’s unacceptable for many enthusiasts, and an absolute no-go for eSports pro-gamers who custom-pick their GPUs, monitors, keyboards, and mice to minimize the life-and-death delay between action and reaction.

Enter NVIDIA G-SYNC, which eliminates screen tearing, VSync input lag, and stutter. To achieve this feat, we build a G-SYNC module into monitors, allowing G-SYNC to synchronize the monitor to the output of the GPU, instead of the GPU to the monitor, resulting in a tear-free, faster, smoother experience that redefines gaming..

NVIDIA G-SYNC is so smooth and so fast, that testers have found themselves overshooting and missing targets because of the input and display lag that they have subconsciously accounted for during their many years of gaming.

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41 Replies. 3 pages. Viewing page 1.
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41. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 20:45 Rea1One
 
I'm glad they have the DIY monitor modules, hopefully they will release more modules for other brands as I don't really want to buy another monitor.

This comment was edited on Oct 19, 2013, 21:12.
 
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40. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 18:29 Creston
 
raVen wrote on Oct 19, 2013, 17:11:
Some of you are kind of missing the point. If you ever drop below 120fps ever you'd see an improvement with this tech. For those talking about if it's better than being locked at 120hz, also if you ever go above 120fps you'd also see an improvement.

Even at 30hz, shows up in this link.
basically whenever your gpu finishes drawing a frame it'll refresh the lcd, this is pretty rad.

This actually puts LCDs on par with CRTs imo (with respect to refresh and latency)

Also instead of waiting for the locked 120hz / 60hz refresh, it will immediately update which could have a lower latency than even CRTs.

I'm sure it's rad, but is it noticeable? That's what I really care about.
 
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39. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 17:11 raVen
 
Some of you are kind of missing the point. If you ever drop below 120fps ever you'd see an improvement with this tech. For those talking about if it's better than being locked at 120hz, also if you ever go above 120fps you'd also see an improvement.

Even at 30hz, shows up in this link.
basically whenever your gpu finishes drawing a frame it'll refresh the lcd, this is pretty rad.

This actually puts LCDs on par with CRTs imo (with respect to refresh and latency)

Also instead of waiting for the locked 120hz / 60hz refresh, it will immediately update which could have a lower latency than even CRTs.
 
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38. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 15:56 Creston
 
Jerykk wrote on Oct 19, 2013, 14:42:
Creston wrote on Oct 19, 2013, 01:31:
Jerykk wrote on Oct 18, 2013, 23:19:
Will G-SYNC provide benefits to people already using 120+ Hz monitors?

No, because none of those monitors have the G-Sync tech in them. Want to use it? Buy a new monitor.

But is G-Sync even necessary if you have a 120 Hz monitor? I don't use V-Sync and I don't get tearing so would G-Sync even offer any advantages?

Likely not, no, unless your game manages to get above 120 frames per second. In which case you'd just turn on SSAO or something.

I like the idea of G-Sync, as it's a much more elegant solution, provided it doesn't scale down to 30hz like Virge said it does (it might, I dunno). But obviously it's something you'd only get if you're already going to get a new monitor, and you have a machine capable of going 60+ FPS (or even 120fps) on games anyway.
 
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37. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 14:42 Jerykk
 
Creston wrote on Oct 19, 2013, 01:31:
Jerykk wrote on Oct 18, 2013, 23:19:
Will G-SYNC provide benefits to people already using 120+ Hz monitors?

No, because none of those monitors have the G-Sync tech in them. Want to use it? Buy a new monitor.

But is G-Sync even necessary if you have a 120 Hz monitor? I don't use V-Sync and I don't get tearing so would G-Sync even offer any advantages?
 
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36. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 14:33 Beamer
 
jdreyer wrote on Oct 19, 2013, 01:33:
Beamer wrote on Oct 19, 2013, 01:03:
Optional Nickname! wrote on Oct 19, 2013, 00:19:
Beamer wrote on Oct 19, 2013, 00:04:
Who is still making or selling CRTs?

The first brand on the Chinese Mainland that wants your business is CANDON...still making 21" Trinitron knock-offs for about $50 (or less) wholesale. Combine this url:

http://candon.manufacturer.globalsources.com/

si/6008846966094/pdtl/CRT-CCTV/1064426146/CCTV-CRT-color-monitor.htm

Mostly for Security Camera Monitoring, etc. Buy 50 and have plenty extra.

This... this is trolling, right?

Pretty sure he was trolling from the first post. But I love how you went and did all the research to completely dismantle his argument.

Man, you can never tell around here. I'm pretty sure a good amount of people here still swear by their CRTs.
 
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http://www.deathwishinc.com
http://www.hydrahead.com
http://www.painkillerrecords.com
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35. removed Oct 19, 2013, 12:20 {PH}88fingers
 
* REMOVED *
This comment was deleted on Oct 20, 2013, 11:50.
 
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34. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 01:33 jdreyer
 
Beamer wrote on Oct 19, 2013, 01:03:
Optional Nickname! wrote on Oct 19, 2013, 00:19:
Beamer wrote on Oct 19, 2013, 00:04:
Who is still making or selling CRTs?

The first brand on the Chinese Mainland that wants your business is CANDON...still making 21" Trinitron knock-offs for about $50 (or less) wholesale. Combine this url:

http://candon.manufacturer.globalsources.com/

si/6008846966094/pdtl/CRT-CCTV/1064426146/CCTV-CRT-color-monitor.htm

Mostly for Security Camera Monitoring, etc. Buy 50 and have plenty extra.

This... this is trolling, right?

Pretty sure he was trolling from the first post. But I love how you went and did all the research to completely dismantle his argument.
 
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"It's just a bunch of mystic bovine scatology to me." - 1badmf
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33. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 01:32 Creston
 
ViRGE wrote on Oct 18, 2013, 23:19:
Creston wrote on Oct 18, 2013, 23:02:
siapnar wrote on Oct 18, 2013, 19:03:
Would this equate to lower framerates not looking so shitty as well, considering the refresh rate is matched?

Sorry, I'm no techie

I don't think the monitor would sync to lower framerates than its default refresh rate (likely 60hz.) It'll just run at 60hz unless your fps goes above 60, then it just scales up.
It syncs to everything down to 30Hz. If a frame doesn't come in 33ms, it will refresh the display with the same frame.

At 30hz? Isn't that going to look terrible?
 
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32. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 01:31 Creston
 
Jerykk wrote on Oct 18, 2013, 23:19:
Will G-SYNC provide benefits to people already using 120+ Hz monitors?

No, because none of those monitors have the G-Sync tech in them. Want to use it? Buy a new monitor.
 
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31. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 01:03 Beamer
 
Optional Nickname! wrote on Oct 19, 2013, 00:19:
Beamer wrote on Oct 19, 2013, 00:04:
Who is still making or selling CRTs?

The first brand on the Chinese Mainland that wants your business is CANDON...still making 21" Trinitron knock-offs for about $50 (or less) wholesale. Combine this url:

http://candon.manufacturer.globalsources.com/

si/6008846966094/pdtl/CRT-CCTV/1064426146/CCTV-CRT-color-monitor.htm

Mostly for Security Camera Monitoring, etc. Buy 50 and have plenty extra.

This... this is trolling, right?
 
-------------
Music for the discerning:
http://www.deathwishinc.com
http://www.hydrahead.com
http://www.painkillerrecords.com
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30. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 00:19 Optional Nickname!
 
Beamer wrote on Oct 19, 2013, 00:04:
Who is still making or selling CRTs?

The first brand on the Chinese Mainland that wants your business is CANDON...still making 21" Trinitron knock-offs for about $50 (or less) wholesale. Combine this url:

http://candon.manufacturer.globalsources.com/

si/6008846966094/pdtl/CRT-CCTV/1064426146/CCTV-CRT-color-monitor.htm

Mostly for Security Camera Monitoring, etc. Buy 50 and have plenty extra.
 
Reply Quote Edit Delete Report
 
29. Re: NVIDIA G-SYNC Display Tech Oct 19, 2013, 00:04 Beamer
 
Optional Nickname! wrote on Oct 18, 2013, 20:14:
Beamer wrote on Oct 18, 2013, 19:42:
... Anyway, CRTs aren't made anymore, and modern flat-panel tech has basically caught up or surpassed...

Dearest Beamer, aged veteran of gaming, whom I've watched flourish on these forums, both of those stated assertions are incorrect and I'll assume you were just making a friendly point since you know better.

I leave it to the astute reader to generic-internet-search why, but here's a hint..LCDs biggest advantage (larger size) only magnifies their many visual drawbacks compared to CRTs. Though large screens are nice..widescreen, etc.


Alright, so you're saying that CRT monitors are still manufactured.
By whom?
And, more importantly, where do you buy them?

Amazon has a few available, through third parties, all used.
Newegg has nary a single one.
Dell neither makes nor sells any.
Samsung and Sony shut down production in 2008. Mitsubishi ended around then, too.
None found on the Viewsonic, Asus or AOC websites.

Even if you want to argue that a CRT is better for gaming than a modern thin-panel, and even if you want to argue a 5+ year old one is, you can't argue that they're still in production. They aren't.
Who is still making or selling CRTs?
 
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Music for the discerning:
http://www.deathwishinc.com
http://www.hydrahead.com
http://www.painkillerrecords.com
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28. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 23:19 Jerykk
 
Will G-SYNC provide benefits to people already using 120+ Hz monitors?  
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27. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 23:19 ViRGE
 
Creston wrote on Oct 18, 2013, 23:02:
siapnar wrote on Oct 18, 2013, 19:03:
Would this equate to lower framerates not looking so shitty as well, considering the refresh rate is matched?

Sorry, I'm no techie

I don't think the monitor would sync to lower framerates than its default refresh rate (likely 60hz.) It'll just run at 60hz unless your fps goes above 60, then it just scales up.
It syncs to everything down to 30Hz. If a frame doesn't come in 33ms, it will refresh the display with the same frame.
 
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26. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 23:02 Creston
 
siapnar wrote on Oct 18, 2013, 19:03:
Would this equate to lower framerates not looking so shitty as well, considering the refresh rate is matched?

Sorry, I'm no techie

I don't think the monitor would sync to lower framerates than its default refresh rate (likely 60hz.) It'll just run at 60hz unless your fps goes above 60, then it just scales up.
 
Avatar 15604
 
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25. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 23:00 Creston
 
It's interesting technology, but I'm sure as fuck not buying a new monitor for it.


It still baffles me how most games, when I turn on V-Sync, just run fine and stop tearing, and yet there are a few games (Just Cause 2 most notably) where turning on V-sync will introduce ridiculous speed stutters almost continuously. Confused
 
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24. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 22:21 Kitkoan
 
dj LiTh wrote on Oct 18, 2013, 20:59:
Kitkoan wrote on Oct 18, 2013, 20:19:
dj LiTh wrote on Oct 18, 2013, 18:12:
Kitkoan wrote on Oct 18, 2013, 17:10:
They forgot to mention the usual problem with things like this.

Requires: Windows 7/8

Not compatible with Linux because we don't care, that's all.

Except thats not a problem for 99% of PC gamers.

Guessing you missed that while Steam OS announcement, huh?

And how many still use WinXP.

Or i never left reality

No, you clearly left reality a while ago, that part was easy to see.
 
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*automatically refuses to place horse heads in anyone's bed*
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23. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 22:14 Nameless One
 
Kitkoan wrote on Oct 18, 2013, 17:10:
They forgot to mention the usual problem with things like this.

Requires: Windows 7/8

Not compatible with Linux because we don't care, that's all.

This seems to me to be entirely the signalling between the graphics card and the monitor and how the two pieces of hardware interact, something that is merely turned on or off via the drivers as vsync is.
If that is the case then what OS is being used is largely irrelevant, at most it would require a config setting to turn it on or off as is the case for vsync and which would require little effort from Nvidia to add to their Linux drivers.
From the game/application side of things it would be the same as with vsync off in that the software (game or whatever else) draws frames as fast as it can and the monitor deals with that output, assuming that games actually do things differently for vsync on rather than let the drivers and hardware internals sort it out.
 
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22. Re: NVIDIA G-SYNC Display Tech Oct 18, 2013, 20:59 dj LiTh
 
Kitkoan wrote on Oct 18, 2013, 20:19:
dj LiTh wrote on Oct 18, 2013, 18:12:
Kitkoan wrote on Oct 18, 2013, 17:10:
They forgot to mention the usual problem with things like this.

Requires: Windows 7/8

Not compatible with Linux because we don't care, that's all.

Except thats not a problem for 99% of PC gamers.

Guessing you missed that while Steam OS announcement, huh?

And how many still use WinXP.

Or i never left reality
 
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41 Replies. 3 pages. Viewing page 1.
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