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Faster render and preview playback

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Rafael Ortiz
Faster render and preview playback
on Feb 1, 2015 at 3:27:47 pm

Hey guys so I've been using a i7 2600k cpu and a ATI Radeon 5770 gpu for the last few years. It works well when editing 1080p videos. But now I moved to 4K and editing in Vegas Pro 11 is significantly slow. I know my cpu can handle it but my gpu is falling on it's face.

Can anyone suggest a better gpu that can handle 4K without breaking the bank or getting a whole new custom pc.

I need something that will playback 4k videos smoother while editing. Not all laggy or choppy on my current one.

Thanks for anyone's help!


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Dave Osbun
Re: Faster render and preview playback
on Feb 1, 2015 at 6:02:31 pm

I am not so sure that processor is good enough for 4k. It is already 3 generations old, being a Sandy Bridge CPU. Definitely strong enough for 1080 but I'm not too sure with 4k.

Also the videondrice array throughput plays a big part with 4k.

Dave


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John Rofrano
Re: Faster render and preview playback
on Feb 1, 2015 at 7:49:14 pm

[Rafael Ortiz] "I know my cpu can handle it but my gpu is falling on it's face. "
Not according to Sony.

Sony recommends a minimum of an 8-Core with 16GB memory and multi-disk RAID for 4K so your CPU doesn't meet minimum requirements and I'm guessing your not running a RAID 5 or RAID 0 so a new computer might be your best option.

You can try buying a AMD Radeon R9 290x but it might not be enough to overcome your inadequate CPU and I/O.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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Rafael Ortiz
Re: Faster render and preview playback
on Feb 1, 2015 at 8:47:48 pm

I already plan on upgrading to a new custom pc regardless. But I was hoping for a quick upgrade for the meantime as I put together and save for a custom pc.

If it matters, I edit 4K 100mbps video files from the Panasonic GH4 in Vegas Pro 11.

Am I really out of luck at this point, and need to upgrade to a new setup?


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John Rofrano
Re: Faster render and preview playback
on Feb 2, 2015 at 11:52:38 am

[Rafael Ortiz] "I was hoping for a quick upgrade for the meantime as I put together and save for a custom pc."
Upgrading your GPU to a Radeon R9 290x would probably help and you could always transfer it to your new PC when you get one.
[Rafael Ortiz] "Am I really out of luck at this point, and need to upgrade to a new setup?"
I don't edit 4K and I have no plans to move to 4K. Maybe you can get away with less. I'm just telling you what the Sony developers documented on their web site and in the Resale Notes. If Sony thinks you need an 8-Core with 16GB memory and a RAID array, I'm guessing they weren't kidding because usually their minimums are very conservative and barely usable and you need much more than that for a comfortable experience.

Here is what the release notes say about 4K:

System Requirements
The following lists the minimum system requirements for using Sony Creative Software Inc. Vegas Pro software:
  • Microsoft® Windows 7, Windows 8, or 8.1 (64-bit)
  • 2 GHz processor (multicore or multiprocessor CPU recommended for HD or stereoscopic 3D; 8 cores recommended for 4K)
  • 500 MB hard-disk space for program installation
  • Solid-state disk (SSD) or high-speed multi-disk RAID for 4K media
  • 4 GB RAM (8 GB recommended; 16 GB recommended for 4K)
  • OHCI-compatible IEEE-1394DV card (for DV and HDV capture and print-to-tape)
  • USB 2.0 connection (for importing from AVCHD, XDCAM EX, NXCAM, or DVD camcorders)
  • Supported NVIDIA, AMD/ATI, or Intel GPU with at least 512 MB of memory (for GPU-accelerated AVC rendering and video processing; 1 GB recommended for 4K)
So these are Sony's recommendations not mine. I have a 12-Core Mac Pro with 24GB of memory, a 4 disc RAID 5 and Radeon HD 5870 w/1GB GPU Memory so I guess I could edit 4K if I wanted to but I just don't have a need. BTW, I only paid $2275 for this system on eBay so if you're looking for a new system, the older Mac Pro is a great deal.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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Russ Froze
Re: Faster render and preview playback
on Feb 2, 2015 at 6:52:46 am

For preview, I find it useful to create a video proxy from inside Vegas via the project media window. Right click on a piece of media and choose "create video proxy". Look up video proxy in the help files to learn about it's function. It's actually kind of a slick little function.
Russ Froze


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Sorin Nicu
Re: Faster render and preview playback
on Feb 2, 2015 at 6:39:15 pm

Regardless what Sony says you need to apply some common sense to your purchase.
"8 core" is a useless spec because the CPU's are not the same. For example your 4 core intel i7-2600K is almost equal to an AMD 8 core CPU:
http://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i7-2600K+%40+3.40GHz


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John Rofrano
Re: Faster render and preview playback
on Feb 2, 2015 at 9:33:47 pm

[Sorin Nicu] "For example your 4 core intel i7-2600K is almost equal to an AMD 8 core CPU:"
Yea, and AMD Core is NOT equal to an Intel Core. Not by a long shot! Sony has always been very vague in their specs.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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