Two Different GPU's?

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Greggzy

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Dec 27, 2013
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Hey guys,

Bare with me on this one, I do get to the bit about the GPU's eventually!

I currently run a YouTube channel in which I render 20-30 minute videos into 2048x1440 resolution. I use Sony Vegas Pro (I will refer to it as SVP for my benefit) to render these videos which is quite an expensive software (Unlike some, I actually paid for my licence) so I like to think I have the money to spare to make my videos top quality. SVP also offers the ability to either use your CPU power, CUDA Cores or OpenCL to render videos.

Current Rig:
Case - Antec 302 ATX Case
Motherboard - GIGABYTE GA-Z68AP-D3 Socket 1155
Processor - Intel i7-3770k @3.5 Ghz
RAM - 8GB Kingston 1333Mhz
Graphics Card - ASUS GTX 770 2GB OC Edition
Storage Device (1) - 120 GB Samsung 840 SSD
Storage Device (2) - 2TB 7200 RPM Seagate Green

This rig should be perfect for video editing and rendering (Perhaps an upgrade on the RAM is needed, but 8GB should suffice) and using the CPU power to render a 1440p video around 30 minutes in length takes between 1-2 hours (Sometimes longer if effects have been added) which obviously isn't great. I have heard from others than using the CUDA Cores (Nvidia) or OpenCL (AMD) is a lot quicker and could knock my time down by up to 75%.

Now for my big question - I currently have a GTX 770, which apparently is not supported by SVP. Would it be possible to run another card which I know to be compatible (A GTX 570 for example) alongside my GTX 770?

Thank you in advance :)
 
Solution
ferwindjacks
So this is a topic that isn't discussed by most. Everyone knows about SLI and Crossfire, but all those do is just try to make two GPU's perform as one to get better performance. In order to use such software, one needs a duplicate of the card they have. One cannot SLI/Crossfire two different cards, no matter the architecture, manufacturer, or series, the GPU has to be exactly the same.

The thing is, if your motherboard can support more than one GPU, you can have a different GPU plugged in and running along with your 770. This GPU will not be able to SLI (since you said its going to be the 570) but it will still run and be able to be used. Now, I'm not familiar with your SVP software, but there should be an option when you go to render...
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ferwindjacks

ferwindjacks

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Jun 26, 2013
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So this is a topic that isn't discussed by most. Everyone knows about SLI and Crossfire, but all those do is just try to make two GPU's perform as one to get better performance. In order to use such software, one needs a duplicate of the card they have. One cannot SLI/Crossfire two different cards, no matter the architecture, manufacturer, or series, the GPU has to be exactly the same.

The thing is, if your motherboard can support more than one GPU, you can have a different GPU plugged in and running along with your 770. This GPU will not be able to SLI (since you said its going to be the 570) but it will still run and be able to be used. Now, I'm not familiar with your SVP software, but there should be an option when you go to render which card you want to use. If not, you'd need to use Nvidia/ASUS GPU software to select the card you want to use, then render with that, then switch back to your 770. I'm more of a hardware type of guy so don't ask what software you'd need to use, considering I have an EVGA GTX 770 SC that came with different software than you, and just the matter of fact that I don't look into software as much as I do hardware.

Good luck, do your research with SVP, and check your GPU software to see if you can switch between the two.

EDIT: Upon further investigation, I do believe there is a way to switch GPU's with base Nvidia software or even in windows.
 
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Solution
lonewolf7

lonewolf7

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May 6, 2013
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Look your MB has 2 x PCI-E slots, one runs @16x another runs @4x only, so if you connect the second card on x4 slot the performance will hinder for sure.

You can always use two different GPU's with your MB, even you can use NVidia and AMD GPU's simultaneously on the current MB (if you have XP or WIN 7)
installed.

And you need a decent powerful PSU to run 2 GPU's.
 
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gustafangus

gustafangus

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Jan 20, 2013
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Using an AMD & Nvidia card means doing Hybrid Physx, which is useless, power consuming and faulty due to drivers.

Pop an AMD & Nvidia card in, and the Nvidia will stop working until you take the AMD card out.
 
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G

Greggzy

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Dec 27, 2013
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I'm currently running a CM 650W PSU, a 750 or even 700 should be enough right? Eventually I do want to get money together for a separate editing machine which I could also use to do livestreaming and stick the 570 into (A long way off yet).

For now I don't want to be wasting money on things I don't need.
 
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lonewolf7

lonewolf7

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May 6, 2013
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Have you ever tried it, I think NO, so you have this misconception. Try it under XP or WIN 7, then you will know.

 
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