Questions, for the future.

Hardware discussions about NVIDIA Surround Gaming
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Anprionsa
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Questions, for the future.

Post by Anprionsa »

Quoted from CNN

On display in the booth, NVIDIA is demonstrating 3D Vision technology running on:

* Desktop PCs using new 3D Vision-Ready, 1080p, 120Hz LCD panels from leading display companies, including Acer, Alienware, and others.


Does this mean that it will not be higher resolution than 1080?

NVIDIA 3D Vision Surround, the world's first consumer, multi-display 3D solution which allows users to span 3D content across 3 high definition monitors or projectors for a truly breathtaking and immersive gaming experience! NVIDIA 3D Vision Surround does for 3D PC gaming just like what IMAX® 3D does for movies.


Will the limit be set on 3 displays? (not that I would use more, just a question)

It is rumored to come out late Q1 and even later Q2 for other products is this true?

Do we expect this to be more $$$ than ATI's current generation of cards? (My guess is... most probable) If so, by how much more?

Do you think that this will steal some of ATI's current steam, being that Nvidia not only now has :triplewide , but Phsyx and 3D Vision as well?

Most of these are just things I thought I would like to know about this product, however, I am in the market for a card after my matrox went out. I do not want to wait very long if some of the answers to the above questions are not to a good standard.
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Re: Questions, for the future.

Post by Paradigm Shifter »

I don't see why 1080p should be a hard and fast cap. However, I doubt it'll cope with triple 2560x1600 with 3D mode enabled. Because of bandwidth issues at 2560x1600 @120Hz...

Does HDMI 'do' 1920x1200?

However, all of these are 'time will tell' questions. Much like the questions we generated on EyeFinity. :(
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Re: Questions, for the future.

Post by Tamlin »

Found this link at B3D from Pcworld.fr. Its interesting, though not good news if true :(

CES 2010 - Nvidia Fermi heat dissipation very important ...
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Re: Questions, for the future.

Post by Paradigm Shifter »

If that's true (and that's a big if) then GF100 isn't going to be a viable option for me (and, I suspect, a lot of others) almost entirely down to how much power it sucks.

Furthermore, if 3D Vision Surround requires SLI GF100 (or GT200, but they're not new, so let's discount them for the time being) then we're looking at 600w of heat dissipation needed... big power supplies ahoy! That, I'm sure, will make some people look between the two technologies and think, "Hm... EyeFinity on a fairly power-efficient card, or 3D Vision Surround on... oh, yeah, 600w?"

Let's look at that number again:

600w.

600w?! That's four times the rating of my first PSU, and twice that of my second. I've got one PSU that might cope with that sort of power draw, but if you figured an overclocked Core i7 into the mix too, plus whatever else there is in the system, you're probably going to be looking at an 80-90% load on a 1Kw PSU. I hope to God that GF100 has some incredible power state management built in, or said system will suck 400-500w out of the PSU even when idle.

...

That said, let's look at 3D Vision Surround from the perspective of GT200.

It's almost certain that 3DVS is a software solution rather than a hardware one, as nVidia have said it works on GT200 cards as well as the new ones. This means that 3DVS won't need 600w's of GPUs to be done, however it brings with it all of the issues that a pure-software solution carries. Look at SoftTH (as great as it is) for an example.

...

I'm enthusiastic (I was about EyeFinity), I'm hopeful and I'm a little bit worried that GF100 is right on the borderline of the PCI-E specification. If it is, there is no chance of a dual-GPU GF100 coming this side of 28nm without serious clock reductions (which would naturally impact performance).

Which would be interesting, as the 5800 cards still have some power headroom in them for a 5890, for example.

Ah, this'll all depend on what the cards actually do when they're out.

We need cards 'in the wild' and at 3rd party reviewers to get anything more than drip-fed marketing or wild conjecture.

...

Also bear in mind that those cases might just be trying to cash in on the GF100 release "Fermi certified!" etc etc... but the fact that that fan unit seems to be necessary makes me more cautious.

Hm... GF100... twice for 3DVS... new case (to keep them cool)... possibly a new high-capacity PSU... another monitor - possibly three... OK 3DVS is looking markedly more expensive than EyeFinity or even TripleHead2Go if all that is true. And that's a big if, don't forget.
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Re: Questions, for the future.

Post by Tamlin »

I seriously hope this isn't true. Nvidia going with 3 monitor support increases the market share for potential triplehead setups to the max and for every widescreen gamer that is a good thing (regardless of which solutions we chose for our triplehead setup). My biggest hope with Fermi was 3 monitor support and they are offering it!

I'm not only thinking power draw, but noise levels as well. There were enough funny movies on how to use the FX as hairdrier and we don't need more. If this has any truth in it, it will not be good for any of us.

We definitely need cards in the wild. Nvidia have been very scarse with information and we really need more now. Lets hope that Ibrin gets NDA lifted soon and can give us some more info! :)
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Re: Questions, for the future.

Post by BHawthorne »

My main questions are:

#1: Will display rotation work?

#2: Will using ports out of more than 2 cards work?

#3: Will it be limited to only 3 displays?

#4: Will PLP work?

#5: Will non-symmetrical display setups work?

#6: Bezel management?

#7: Projector pre-warp management?

#8: What is the driver version # for the initial beta leak. :hide
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Re: Questions, for the future.

Post by keltie »

Given that part of 3D Vision is a driver level override of the DX game camera to create two cameras...

Apart from the obvious control we would like over the unexposed variables, screen size, screen distance, intraocular distance, sync timing (or at least swapping eyes) in the driver rather than leaving it the application..

I would like to see:

*More than two cameras created.

Whoah you say! :)

Think about it. A lot of our problems with perfectly functioning surround systems are with distortion. This goes away in part with multiple cameras. Imagine the same tactic to create two cameras for stereo being used for three cameras (mono) or six (stereo).

Lots of issues arise from this but we want them addressed as well.

*User specified rotational offsets and FOVs for cameras
*Per thread cameras, lets use all of those cores and more in the future.
*Driver level spherical image warping (for monitors and projectors) to handle visual artefacts from multiple rotated cameras).
*Driver level bezel management - that goes into overlap as well, for projector blending
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Re: Questions, for the future.

Post by skipclarke »

I wanted to let everyone know that I will be collecting these questions and passing them along to NVIDIA. They haven't committed to a date on answering them, but have said that they would answer them when they are able.
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Re: Questions, for the future.

Post by tineras »

I wanted to let everyone know that I will be collecting these questions and passing them along to NVIDIA. They haven't committed to a date on answering them, but have said that they would answer them when they are able.


Wow, that is great news!

My question (and the question of many others I'm assuming):
Will the 200 Series drivers (beta or otherwise) be released ahead of the GF100 series cards? If so, when?
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Re: Questions, for the future.

Post by Bluesilentpro »

I don't see why 1080p should be a hard and fast cap. However, I doubt it'll cope with triple 2560x1600 with 3D mode enabled. Because of bandwidth issues at 2560x1600 @120Hz...

Moreover we should keep in mind that 3D-graphics acceleration requires not only 120Hz but nearly double the horsepower on the GPUs. Since all frames have to be rendered twice one will need a Fermi quad-SLI or so to even run 3x30in fluently. But then there is mircostuttering which kills the gaming experience. I think 5760x1200 will be the sweet spot für 3dVS - still requiring serious High-End SLI-GPU-Power but doable.

In the end it might be that we will get a better 3D-experience by adding three smaller 1080p TVs to our rigs. We´ll see. Nvidia rumours are that Fermi cards will be in mass production in February - so we will know soon...
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Re: Questions, for the future.

Post by BHawthorne »

I don't see why 1080p should be a hard and fast cap. However, I doubt it'll cope with triple 2560x1600 with 3D mode enabled. Because of bandwidth issues at 2560x1600 @120Hz...

Moreover we should keep in mind that 3D-graphics acceleration requires not only 120Hz but nearly double the horsepower on the GPUs. Since all frames have to be rendered twice one will need a Fermi quad-SLI or so to even run 3x30in fluently. But then there is mircostuttering which kills the gaming experience. I think 5760x1200 will be the sweet spot für 3dVS - still requiring serious High-End SLI-GPU-Power but doable.

In the end it might be that we will get a better 3D-experience by adding three smaller 1080p TVs to our rigs. We´ll see. Nvidia rumours are that Fermi cards will be in mass production in February - so we will know soon...


It's always about the cabling as a limitation. Just a wild guess but single-link DVI probably caps at 60hz 1920x1200 bandwidth and dual-link DVI probably caps at 120hz 1920x1200. In order to have the bandwidth for 120hz 1920x1200 is probably pushing the limits of dual-link DVI through a single cable.

Keep in mind that with the DH2G you could only push 2x 1920x1200 60hz max and the TH2G is 3x 1680x1050 57hz max. The cable bandwidth is an issue. My guess, because of cabling we probably won't see 2560x1600 120hz displays anytime soon.
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Re: Questions, for the future.

Post by tineras »

[quote]
I don't see why 1080p should be a hard and fast cap. However, I doubt it'll cope with triple 2560x1600 with 3D mode enabled. Because of bandwidth issues at 2560x1600 @120Hz...

Moreover we should keep in mind that 3D-graphics acceleration requires not only 120Hz but nearly double the horsepower on the GPUs. Since all frames have to be rendered twice one will need a Fermi quad-SLI or so to even run 3x30in fluently. But then there is mircostuttering which kills the gaming experience. I think 5760x1200 will be the sweet spot für 3dVS - still requiring serious High-End SLI-GPU-Power but doable.

In the end it might be that we will get a better 3D-experience by adding three smaller 1080p TVs to our rigs. We´ll see. Nvidia rumours are that Fermi cards will be in mass production in February - so we will know soon...


It's always about the cabling as a limitation. Just a wild guess but single-link DVI probably caps at 60hz 1920x1200 bandwidth and dual-link DVI probably caps at 120hz 1920x1200. In order to have the bandwidth for 120hz 1920x1200 is probably pushing the limits of dual-link DVI through a single cable.

Keep in mind that with the DH2G you could only push 2x 1920x1200 60hz max and the TH2G is 3x 1680x1050 57hz max. The cable bandwidth is an issue. My guess, because of cabling we probably won't see 2560x1600 120hz displays anytime soon.

Yes, perhaps they have to cater to the lowest common denominator (cheap cables).
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Re: Questions, for the future.

Post by suiken_2mieu »

Well if NVidia makes the Jump to using DP 1.2 and if manufacturers would make 120Hz panels with them in place, we could easily have 2560x1600@120Hz.

I'm really in hope for DP 1.2 because the more bandwidth we have, the more we can do with it.

(Favorite Tool: "Bandwidth Calculator" http://emsai.net/projects/widescreen/bandwidth/)
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Re: Questions, for the future.

Post by BHawthorne »



Yes, perhaps they have to cater to the lowest common denominator (cheap cables).


It has nothing to do with expensive/cheap cables. It has to do with the bandwidth capabilities of any Dual-Link DVI cable... :wink:

You could run regular 2560x1600 LCDs just fine with this, but there won't be 120hz 2560x1600 LCDs until there is a cable that can feed them. Does DP 1.2 have enough bandwidth to do 120hz 2560x1600?
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Re: Questions, for the future.

Post by suiken_2mieu »

[quote]

Yes, perhaps they have to cater to the lowest common denominator (cheap cables).


It has nothing to do with expensive/cheap cables. It has to do with the bandwidth capabilities of any Dual-Link DVI cable... :wink:

You could run regular 2560x1600 LCDs just fine with this, but there won't be 120hz 2560x1600 LCDs until there is a cable that can feed them. Does DP 1.2 have enough bandwidth to do 120hz 2560x1600?

2560x1600@120Hz = 11.8 Gbit of Bandwidth Required
DisplayPort v1.2 = 17.28 Gbit

I'd say so.

DP1.2 has enough bandwidth to Run 3x2560x1440@60Hz

EDIT: Fixed Some Numbers That were off.
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Re: Questions, for the future.

Post by Anprionsa »

More bandwidth is good, yes... but I believe it unlikely to see this as it seems NVidia is contempt to stay with dvi and hdmi.
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Re: Questions, for the future.

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Hate to bump a 2 month old thread, but I have a few questions too. I did a bit of digging but I'm still a little unsure on some of it.

I have a 295 GTX, and I want to do surround gaming with Nvidia's new surround technology, which to my understand the drivers for which are still not out(?).

On this page (http://www.nvidia.com/object/3DV_System_Requirements_Surround_Technology.html) it says Single Card - GeForce GTX 295. So I'm assuming I don't need a 2nd card to use surround SLi, but that leaves the obvious issue that I'm well, short a DVI output for 3 monitors. So would I need to get some sort of splitter where I connect 2 monitors to 1 DVI port (if there is such a thing) or do I get a 2nd card setup as a dedicated PhysX card? Or..? :-S

Also, I'm currently using 4 monitors, 3 monitors for gaming, setup as one single monitor with the Matrox TH2GO, then a second monitor which I have above the other 3 (see my avatar :P) and I use it for auxiliary things, such as monitoring ventrilo, or having a guide or something up so I can look at it while playing a game, amongst other useful things. Will I be able to do the same thing with Nvidia's surround solution? To clarify - I don't want to play the game across 4 monitors, just 3 - I want to have a 4th separate monitor that acts independently from the first 3.
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Re: Questions, for the future.

Post by tineras »

Hate to bump a 2 month old thread, but I have a few questions too. I did a bit of digging but I'm still a little unsure on some of it.

I have a 295 GTX, and I want to do surround gaming with Nvidia's new surround technology, which to my understand the drivers for which are still not out(?).

On this page (http://www.nvidia.com/object/3DV_System_Requirements_Surround_Technology.html) it says Single Card - GeForce GTX 295. So I'm assuming I don't need a 2nd card to use surround SLi, but that leaves the obvious issue that I'm well, short a DVI output for 3 monitors. So would I need to get some sort of splitter where I connect 2 monitors to 1 DVI port (if there is such a thing) or do I get a 2nd card setup as a dedicated PhysX card? Or..? :-S

Also, I'm currently using 4 monitors, 3 monitors for gaming, setup as one single monitor with the Matrox TH2GO, then a second monitor which I have above the other 3 (see my avatar :P) and I use it for auxiliary things, such as monitoring ventrilo, or having a guide or something up so I can look at it while playing a game, amongst other useful things. Will I be able to do the same thing with Nvidia's surround solution? To clarify - I don't want to play the game across 4 monitors, just 3 - I want to have a 4th separate monitor that acts independently from the first 3.


You would use 2 DVI and 1 HDMI to get your three displays. You may need an HDMI to DVI cable/converter (http://www.monoprice.com = http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10231 <-- I have these and they work great). There are no splitters involved. I guess that also answers your next question. No, you will not be able to use a 4th monitor with that setup. You would need to install a second card (unless you have onboard video you could get working as well).

And FYI, NVidia said drivers would likely be out in "mid-May or when they are ready." So who knows how long that could be. I wouldn't hold your breath.
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Re: Questions, for the future.

Post by fuzioninfinity »

[quote]Hate to bump a 2 month old thread, but I have a few questions too. I did a bit of digging but I'm still a little unsure on some of it.

I have a 295 GTX, and I want to do surround gaming with Nvidia's new surround technology, which to my understand the drivers for which are still not out(?).

On this page (http://www.nvidia.com/object/3DV_System_Requirements_Surround_Technology.html) it says Single Card - GeForce GTX 295. So I'm assuming I don't need a 2nd card to use surround SLi, but that leaves the obvious issue that I'm well, short a DVI output for 3 monitors. So would I need to get some sort of splitter where I connect 2 monitors to 1 DVI port (if there is such a thing) or do I get a 2nd card setup as a dedicated PhysX card? Or..? :-S

Also, I'm currently using 4 monitors, 3 monitors for gaming, setup as one single monitor with the Matrox TH2GO, then a second monitor which I have above the other 3 (see my avatar :P) and I use it for auxiliary things, such as monitoring ventrilo, or having a guide or something up so I can look at it while playing a game, amongst other useful things. Will I be able to do the same thing with Nvidia's surround solution? To clarify - I don't want to play the game across 4 monitors, just 3 - I want to have a 4th separate monitor that acts independently from the first 3.


You would use 2 DVI and 1 HDMI to get your three displays. You may need an HDMI to DVI cable/converter (http://www.monoprice.com = http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10231 <-- I have these and they work great). There are no splitters involved. I guess that also answers your next question. No, you will not be able to use a 4th monitor with that setup. You would need to install a second card (unless you have onboard video you could get working as well).

And FYI, NVidia said drivers would likely be out in "mid-May or when they are ready." So who knows how long that could be. I wouldn't hold your breath.

Thank you for the response! However, I appear to have a problem - there is no HDMI port on the back of my video card.. Only 2 DVI ports. I'm using EVGA GTX 295 Co-op Edition (as seen in this article : http://www.evga.com/articles/00478/), which I guess I failed to mention in my first post. I notice the non co-op edition cards did have an HDMI port.. Does this mean that the co-op edition cards cannot do surround gaming? If this is the case, this is incredibly disappointing.. Also, I'm having trouble finding these cards on Newegg or Tigerdirect.. did they stop manufacturing them or something?
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Re: Questions, for the future.

Post by tineras »

[quote][quote]Hate to bump a 2 month old thread, but I have a few questions too. I did a bit of digging but I'm still a little unsure on some of it.

I have a 295 GTX, and I want to do surround gaming with Nvidia's new surround technology, which to my understand the drivers for which are still not out(?).

On this page (http://www.nvidia.com/object/3DV_System_Requirements_Surround_Technology.html) it says Single Card - GeForce GTX 295. So I'm assuming I don't need a 2nd card to use surround SLi, but that leaves the obvious issue that I'm well, short a DVI output for 3 monitors. So would I need to get some sort of splitter where I connect 2 monitors to 1 DVI port (if there is such a thing) or do I get a 2nd card setup as a dedicated PhysX card? Or..? :-S

Also, I'm currently using 4 monitors, 3 monitors for gaming, setup as one single monitor with the Matrox TH2GO, then a second monitor which I have above the other 3 (see my avatar :P) and I use it for auxiliary things, such as monitoring ventrilo, or having a guide or something up so I can look at it while playing a game, amongst other useful things. Will I be able to do the same thing with Nvidia's surround solution? To clarify - I don't want to play the game across 4 monitors, just 3 - I want to have a 4th separate monitor that acts independently from the first 3.


You would use 2 DVI and 1 HDMI to get your three displays. You may need an HDMI to DVI cable/converter (http://www.monoprice.com = http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10231 <-- I have these and they work great). There are no splitters involved. I guess that also answers your next question. No, you will not be able to use a 4th monitor with that setup. You would need to install a second card (unless you have onboard video you could get working as well).

And FYI, NVidia said drivers would likely be out in "mid-May or when they are ready." So who knows how long that could be. I wouldn't hold your breath.

Thank you for the response! However, I appear to have a problem - there is no HDMI port on the back of my video card.. Only 2 DVI ports. I'm using EVGA GTX 295 Co-op Edition (as seen in this article : http://www.evga.com/articles/00478/), which I guess I failed to mention in my first post. I notice the non co-op edition cards did have an HDMI port.. Does this mean that the co-op edition cards cannot do surround gaming? If this is the case, this is incredibly disappointing.. Also, I'm having trouble finding these cards on Newegg or Tigerdirect.. did they stop manufacturing them or something?

"Does this mean that the co-op edition cards cannot do surround gaming?"

I believe that is correct. I do recall that some GTX 295s have the HDMI port and some don't :doh . Also, EVGA has stopped making several of their GTX 2xx series cards (http://www.evga.com/products/prodlist.asp?family=GeForce+200+Series+Family). And as far as I can tell they have stopped making all GTX 295 cards. Ebay may be the only option at this point. Although, maybe because of the rarity, the 295 co-op seems to be selling for quite a bit these days ($350 - $450 on Ebay). So you may be able to just sell that and pick up a 295 with HDMI or two GTX 470s or a combination of GTX 2xx cards. Any SLI combination of GTX 260 or above should give you similar or better performance than the 295 (http://www.tomshardware.com/charts/gaming-graphics-cards-charts-2009-high-quality/Sum-of-FPS-Benchmarks-Totals,1830.html).
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