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Multi-monitor G-sync setups

M

martixy

Member
I've a couple of questions. I've been researching some upgrades for myself.

The general consensus is that the Asus G-sync monitor is right on the horizon - june/july. Overshot by a quarter of the original estimate, but eh...

So, with that in mind, I need to know how G-Sync and non-G-sync monitors work together.
I do not intend to game in multi-monitor setup, but I would like the added space for productivity if possible. Of course, on desktop G-Sync is not terribly critical, but if the entire thing doesn't work it kinda defeats the purpose of getting it.
 
From my understanding, surround is not currently supported by G-Sync. You can have a G-Sync enabled primary display running at full screen (not full screen windowed: G-Sync is disabled on the desktop), with an auxiliary display that is not running G-Sync. I'm not sure about how an additional auxiliary display (total of 3 monitors) would affect things.
 
Also read somewhere else, you would need a GPU per screen. So 3 screens 3 gpus for gsync.

Because of the display port thing.
 
RaulF said:
Also read somewhere else, you would need a GPU per screen. So 3 screens 3 gpus for gsync.

Because of the display port thing.
Click to expand...

To actually run more than one display with G-Sync active, this is probably what it would require. This is probably why G-Sync is not currently compatible with Surround.

You can run one full-screen primary display with G-Sync active and have an auxiliary, non-G-Sync display run off the same card.
 
So does this mean that an MST hub won't pass the signal to the monitor? If it does then one card should be able to do it, I would think?
 
I'd be very, very skeptical about using an MST hub with G-Sync. It's possible, but I really doubt it would work at this point. The G-Sync module is talking directly with the graphics card. I would be quite certain that they haven't yet designed the exchange to work so well in any way other than one-to-one, directly.

And from my understanding, to do MST for something like a 4k display you need to run in Surround, which is not currently supported.
 
Mand said:
I'd be very, very skeptical about using an MST hub with G-Sync. It's possible, but I really doubt it would work at this point. The G-Sync module is talking directly with the graphics card. I would be quite certain that they haven't yet designed the exchange to work so well in any way other than one-to-one, directly.

And from my understanding, to do MST for something like a 4k display you need to run in Surround, which is not currently supported.
Click to expand...

I'm not talking 4k surround. You can't do 3x 4k monitors off of an MST. Now that I think about it, I'm not sure you can do 3x 120Hz/144Hz monitors off of an MST? That might just make it all academic.
 
No, I mean one 4k display, operating as two 1920x2160 "displays" in Surround using MST. That's how I thought it worked, at least, I could very well be wrong.
 
Mand said:
No, I mean one 4k display, operating as two 1920x2160 "displays" in Surround using MST. That's how I thought it worked, at least, I could very well be wrong.
Click to expand...

That was the original implementation, and still how most of the 4K monitors work. The Samsung though does SST (single stream display). It doesn't tile two displays together like MST does.
 
Right, but my point is that since G-Sync isn't compatible with Surround, a 1920x2160x2 MST solution would not be compatible with G-Sync either. And, that by extension, other MST solutions wouldn't either. As I said, I could be wrong - I'm not that familiar with MST.
 
3DVagabond said:
I'm not talking 4k surround. You can't do 3x 4k monitors off of an MST. Now that I think about it, I'm not sure you can do 3x 120Hz/144Hz monitors off of an MST? That might just make it all academic.
Click to expand...

They do allow 3D Vision surround, which operate at 120hz x3, so that should work.

They also had shown a 4k G-sync test display at one of the conferences, that worked with a split screen setup and two G-sync modules, that would likely mean that if surround doesn't work now, it will eventually.

I'm not sure how it will function with two extended displays though, as I don't know anyone with such a setup, as it is a rare thing atm.
 
Oh, to be sure, Surround support is a "when" not an "if." Just not a "now" from the last information I had, which admittedly was a few months ago.
 
bystander36 said:
They do allow 3D Vision surround, which operate at 120hz x3, so that should work.

They also had shown a 4k G-sync test display at one of the conferences, that worked with a split screen setup and two G-sync modules, that would likely mean that if surround doesn't work now, it will eventually.

I'm not sure how it will function with two extended displays though, as I don't know anyone with such a setup, as it is a rare thing atm.
Click to expand...

3D surround doesn't require DP though.
 
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