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The New Nvidia G-SYNC Technology Will Support 3D Vision as Well

October 19th, 2013 · 10 Comments · GeForce 3D Vision

nvidia-gsync-logo

Some good news for 3D Vision users, the just announced Nvidia G-SYNC technology will also work in stereoscopic 3D mode when playing games with 3D Vision as well by eliminating screen tearing, input lag, and stutter. All you will need to do is have a Kepler-based graphics card like at least GeForce GTX 650 Ti Boost and get a G-SYNC-enabled monitor or get a DIY Upgrade kit for an ASUS VG248QE monitor if you already have the monitor available. Nvidia says that the first DIY Upgrade modules will be shipping later this year for the most eager users willing to try the new technology. The Nvidia G-SYNC Do-it-yourself kit will cost approximately $175 USD and come with 1 year warranty. And next year we are supposedly going to see new models coming out on the market with built-in G-SYNC modules from Asus, BenQ, Philips and ViewSonic with displays even going up to 4K resolution.

Nvidia G-SYNC requires Microsoft Windows 7, 8 or 8.1 and apparently older versions of the OS will not be supported and of course it will only work with compatible Nvidia-based GPUs and G-SYNC enabled monitors, so no go for AMD graphics with a G-SYNC monitor. Multi-monitor surround configurations will also be supported if you have all G-SYNC-enabled monitors, as well as SLI setups with multiple Kepler-based GPUs that meet the minimum requirements for G-SYNC to work. G-SYNC is supposed to work with all games, though apparently some games might have issues and Nvidia will be giving the user the ability to disable G-SYNC from the control panel of the drivers on per game basis. Also games that Nvidia discovers that have trouble with G-SYNC will be disabled by default in the driver (more game profiles) and the video driver needs to be version 331.58 or higher (not yet publicly released) in order for you to have G-SYNC support available.


asus-vg248qe-with-gsync-specs

Note that after installing an Nvidia G-SYNC module in the ASUS VG248QE monitor and this should be also true for the upcoming monitors with the module built-in you are going to be able to use it only through the DisplayPort interface with no audio being transmitted along the video signal. Apparently only the Display Port interface allows for the tear-free, faster and smoother variable fps to be achieved when synchronizing the monitor to the output of the GPU, instead of the GPU to the monitor. Also note that the minimum refresh rate with the G-SYNC module will be 30 fps, so apparently even at 30 frames per second thing should feel very smooth and responsive all the way up to the maximum refresh rate of the monitor with in the case of the ASUS VG248QE is 144Hz.

The good news for 3D Vision users is that since the new G-SYNC technology will be compatible with 3D Vision and will also benefit from being available on monitors able to deliver 120Hz and 144Hz we are also going to see more new displays with 3D Vision supported being released. And hopefully Nvidia will start pushing 3D Vision again along with the G-SYNC technology instead on focusing only on G-SYNC. I don’t know about you, but I’m already eager to see the G-SYNC in action with 3D Vision…

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10 responses so far ↓

  • 1 Geoff 'Shivoa' Birch // Oct 19, 2013 at 16:43

    Unfortunately it seems that right now the LightBoost part of 3DVision [2] (despite the announced monitor supporting it) can not run with G-Sync enabled. You can pick low persistence from a strobing backlight (which is nice for low persistence itself and why people who use 3D Vision 2 monitors in 2D force it on but also great for stereoscopic shutter tech reasons that we care about) with a fixed refresh rate OR dynamic refresh rate (monitor changes image as soon as a new frame is ready on the GPU rather than fighting a fixed timer for new frames) but with a constant backlight so the screen is illuminated during frame transitions.

    Confirmed: http://twitter.com/ID_AA_Carmack/status/391315722376593408

    As to why you require a new cable / other inputs are disabled on monitors (compared to general stereoscopic user love for DL-DVI that has always served us so well): the tech has to be able to send a new frame when it is ready. The standards for video down cable generally expect a constant frame-rate (negotiated during the handshake) so you can’t really change it on the fly. nVidia are hacking the packet based DisplayPort to allow each frame to be as long as it needs (signalling new frame time down the aux line and a packet based cable protocol means you can burst new frames when you desire rather than waiting on a fixed clock). I’m not sure if there is even the possibility of hacking the HDMI or DVI specs to allow G-Sync data requirements to run over the cable, let alone that those hacks could be retroactively applied to the Kepler GPUs that are already in the market via only a driver update. For the time being I think it is safe to say G-Sync is an outsider to the cable specification groups until it gains traction and then maybe the new spec for each cable incorporates support for variable frame timing (an ships in 2+ years in actual products).

  • 2 Someone // Oct 20, 2013 at 20:40

    Thanks for digging that up. That was my first question after seeing g-sync. It’s unfortunate and perhaps explains why nVidia hasn’t embraced strobed displays in 2d gaming given how popular they’re becoming.

  • 3 Mark Rejhon // Oct 24, 2013 at 19:42

    nVidia is going to officially embrace strobed displays, beginning with G-SYNC. Andy of NVIDIA confirmed:
    http://www.neogaf.com/forum/showpost.php?p=86572603&postcount=539

    “We have a superior, low-persistence mode that should outperform that unofficial [i][LightBoost][/i] implementation, and importantly, it will be available on every G-SYNC monitor. Details will be available at a later date.”.

    I’ve blogged it here:
    http://www.blurbusters.com/confirmed-nvidia-g-sync-includes-a-strobe-backlight-upgrade/

  • 4 Alex // Oct 28, 2013 at 19:10

    Is it pretty safe to say that the DIY module will only be compatible with the VG248QE and won’t work with its parent models, like the VG278H?

  • 5 Bloody // Oct 29, 2013 at 09:40

    It will be made especially for the Asus VG248QE. Not sure if you would be able to connect it in other displays and use it yet… we’ll have to wait and see when it gets released.

  • 6 Ocgineer // Dec 27, 2013 at 14:10

    Any idea where to get a DIY module in Europe?
    So far I’ve only seen complete monitors and US based mod services. I have three of these monitors I would like to upgrade it myself.

  • 7 Bloody // Dec 28, 2013 at 14:07

    I don’t think it is available in Europe yet, I’m also waiting for the availability in Europe to try it out…

  • 8 bf4 // Jan 14, 2014 at 02:24

    We have to find out if the ROG swift will be 3D, they didnt announce it but according to:

    http://www.mtbs3d.com/index.php?option=com_content&view=article&id=13672:news-for-3d-vision-gamers&catid=35&Itemid=73

    all G-sync monitors are 3D capable. I hope the ROG swift is a go for 3D. It’s my next monitor if it is.
    If not they lost a sale.

  • 9 Bloody // Jan 14, 2014 at 11:58

    Technically all G-Sync monitors that are 120Hz+ are capable of supporting 3D Vision, but that does not mean they will… 3D Vision certification adds to the cost for the monitor maker and some makers will probably decide not to add official support for 3D Vision. Only the 4K models that are supposed to be announced some time soon will not be compatible as they are only 60Hz due to bandwidth limitation.

  • 10 jply // Jan 15, 2014 at 22:13

    replying to bf4:
    according to jj from asus the rog swift supports 3d vision and lighboost.
    he says so in the comment section of this video multiple times :)

    https://www.youtube.com/watch?v=vMMtsnEfWeY

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