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Duel chip graphics card and 3ds max: Does it work?
show user profile  Toen
Anyone have any knowledge or experience with something like the GeForce GTX 295 video card and 3ds Max?

read 3293 times
1/21/2009 7:47:48 PM (last edit: 1/21/2009 7:47:48 PM)
show user profile  Phalse
Short answer Yep, it works.

Like you said its a x2 gpu and combines chips into one card. It does not double performance because these chips are combined into 1 bus and other factors.
Just throwing 2 cards on the same bus slot can't actually DOUBLE your speed or else you could throw a single card that is as big as those 2 together and get the same speed (If its possible to make a card that powerful at that specific moment) which of course they cant at this time or else they wouldnt be releasing x2 cards, major constraint is speed/heat trade off. Faster/bigger is hot
A bus interface only supports a max theoretical speed, they are simply trying to reach the max throughput that pci-e x16 can provide.

Another reason they are releasing x2 cards is because they think they can get some kind of speed increase with parallel graphics processing, the down part for them is gpu calcs need a lot of software executing after the gpu does the calu. A cpu calc needs less software to be useful. Software executing before and after the gpu slows down its calculations throughput and usefullness to processes, compared to the speed of a cpu calc. The bus interface of a gpu and cpu are different also, cpu is more direct and is faster.
They wont see the gains from multi gpus because of software limitations then they will with multi core cpus.

Just try coding a multi gpu process *done at the driver level by ati / nvidia drivers, which limits things a lot* vs a multi cpu process *parts of crysis engine and 3ds max render*, one is much easier to code and get an actual x2 scale, one is must faster and its the cpu side

Its impossible to code drivers to scale your gpus x2 and up like cpus. They cant do it.

You can expect a increase of speed when using a x2 card over a single card of the same "beefyness"
The increase is about +1/5 to +1/2 speed increase.
You get 200 fps with a single and the double will give about 300 fps max
A bench mark of +50% is very rare, perhaps some OC'ed maxed out could get +60%

Then if you have multi crossfire or sli you could put two or even more x2 cards. Some people run TRI and QUAD x2 SLI or crossfire......for 150 fps on 2-4 monitors playing crysis.
Yes there is quad card plugins for gpu
Notice they dont get 400-800 fps during game play because gpus dont scale like multi cpus. You dont get scale speeds like that even if they dumped the entire rig gpu output to 1 monitor instead of multi monitor.

When you run sli or crossfire the main gains are seen from resolutions above 1024x1280. And the gains are even better when you start comparing multi monitors *crossfire ati runs multi monitors sli wont at the moment because of drivers*

You run x2 cards for video games NOT 3ds max.

A x2 card wont even help for your post production it will lag to shit if you try real time post play back, if you do Post production and have clients who want real time LIVE play back of your post edits then you get a High end graphics editing gpu quadro gpu
But if you do post and dont need real time edits and can wait for the post to render you dont need a quadro and any regular card will work.

You do NOT need that much power for just 3ds max, you are going to play games on that box get the x2 card if you have a lot of money get the x2 card if not, save your money and buy other components
ifs just a 3ds max box get a decent 9800 or a low end x2 , dont go all out unless you play games on the box, you will waste your money. (honestly you only need a crappy gpu for max/zbrush, some built in on board will even run max fine.)
+ a 9800 will run crysis or other games at playable fps

I realize this is a long post it just seems a lot of people are confused on what quadro gpus do, sli, crossfire and multi monitors and what they need to purchase for their needs. I pass over gpu posts all the time and dont reply.
read 3286 times
1/21/2009 8:03:41 PM (last edit: 1/21/2009 9:35:38 PM)
show user profile  soontekk
lol, thx phalse
i went for the short answer :D

melting ur brainz!
/ FOS4 / FO2 / Blurb / Twitter / Facebook / Vimeo /

read 3183 times
1/22/2009 7:31:25 AM (last edit: 1/22/2009 7:31:25 AM)
show user profile  Phalse
Hhahahah yeah its always good to have options!
read 3152 times
1/22/2009 7:25:17 PM (last edit: 1/22/2009 7:25:17 PM)
show user profile  Toen
Thanks for the info.

The GeForce GTX 295 is internally actually two boards sandwiched into one about a common heat dissipating system, with each board carrying a GPU, I believe they are even connected internally via SLI, but as a whole it's one video card that uses one slot. I'm just wondering if to the system it behaves the same as one card, like supporting two monitors like a normal card and not causing issues possibly if used to also work with inside 3ds max.

I know you said that I do not need this kind of power inside 3ds max but what do you think the performance gains would be in 3ds max if that card was used versus a 9800 version mentioned?
read 3126 times
1/23/2009 1:42:10 AM (last edit: 1/23/2009 1:42:10 AM)
show user profile  Phalse
I run an 8800 on 3ds max with 2 19 inch monitors and when running 3ds max I have 0 viewport slow down, 0 viewport slowdown in zbrush too. with this gpu.
I think the price on an 8800 is $80 bucks US right now.

A 9800 will have 0 viewport slow down when using 3ds max and multiple monitors. You will always be hitting a nice 60+ fps.

I think my card 8800 hits fps 150 + at all times in 3ds max w/ dual monitors. 500 fps at idle Black screen.

I'm not sure of the price difference between these two cards (gpu prices are changing fast) but an 8800 is VERY cheap right now.

The viewport gain in 3ds max when using a x2 card vs an 88 or 9800 is NOTHING,
You may get 500 fps + with a x2 card but when a 8800 never drops below 60 fps who cares.....I have never seen my fps go below 60 in 3ds max (Except when my cpu chokes for rendering output, this slowdown is caused by my cpu not gpu)

Now other things may mean you want to get a x2 card. Perhaps you do reactor a lot and want to check out physX and see how it works (if the card you want supports that and remember they sell stand alone pci-e physX cards not combined with your gpu), OR maybe you want to play video games on that PC later.
Then you would want to invest in a x2 gpu.
read 3104 times
1/23/2009 5:45:13 PM (last edit: 1/23/2009 6:37:24 PM)
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