GPU for video encoding and editing

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ninjata

ninjata

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Nov 18, 2009
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Hello, I would like to set up a system for video encoding (upscaling) and editing. I am running off a X220 i5 right now as I sold my desktops and only have notebooks with integrated graphics.

I am looking for a setup for encoding / rendering with CUDA or OpenCL. I mainly use Sony Vegas, but right now I am stuck in CPU mode. I used to hove a 8350 with 7850, but I rather move to Intel and CUDA.

Can you recommend what I should go for? I don't want to spend a lot of money. Also, if I do get a better GPU, is there a reason to get the i7? Below are my sample builds. Please comment on them and recommend something. I will be running off a SSD and at least 1866MHz RAM.

GTX 760 + 4770K i7
GTX 770 + 4670K i5
GTX 760 + 4670K i5 (cheaper)
HD 7970 + FX 8350 (budget)

My main question is, if I do get one of those GPU's, is there really a need for an i7? Everybody says i7 is better for editing, rendering, encoding... but since I will be using the CUDA (or OpenCL) option in Vegas, will it matter that I get the i5?

One more thing, the solution must allow me to play in 1080p on a 24" monitor and record with FRAPS at full resolution without lag.

I am open to other suggestions as well.

Edit: I am also willing to go for gen3 i5/i7 if a powerful GPU is more important. Trying to be on a budget.
 
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teddymines

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Sep 12, 2011
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Someone else may be able to confirm, but I recall reading that many of the current applications that use CUDA do not yet support the 7xx series. Not sure if this can be solved through newer drivers, or if the applications need to change in order to work with the newer hardware. Just something to keep in mind before you pull the trigger.
 
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ninjata

ninjata

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Nov 18, 2009
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I've heard about this for the 7xxx on AMD as well. But given that a GTX 770 is a slightly better rebranded GTX 680, then you can substitute my examples with 670 and 680.
 
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Wisecracker

Wisecracker

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Jan 15, 2007
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I would suggest a bit more investigation and understanding, while examining your work flow and what you hope to accomplish.

AVCHD hardware acceleration via the GPU is available in Vegas12 ... it whips up on CPU rendering/playback in a serious fashion.

In addition to GPU-accelerated AVC rendering via OpenCL, there are DirectX transitions and effects that can run off your graphics engine. There are also CUDA functions available to certain cards.

SO ... it is important to identify the 'specifics' of exactly what you wish to do.

Most importantly, what file formats are the basis for your project? Your best results will come from following your native format(s) through-out the process If not, you are going to take a serious performance ding no matter how much high-dollar hardware you throw at it.

 
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ninjata

ninjata

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Nov 18, 2009
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Raw .AVI and I am compressing it with MPEG to .MP4, audio stays in stereo mode. Upscaling can be from the raw .AVI to .MP4 or from an already encoded .MP4 to another .MP4.
 
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