Upgrade editing PC, or buy a new one?

drawingmyday

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Jun 11, 2012
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Hi guys,

I'm in that place where I'm in doubt whether I should upgrade my current system or choose to build a new one. I use my system mainly for video editing and color grading. I could either spend 500,- euro’s now or around 2000,- in a few months if a new rig is the only way to go. I'd rather not buy and build a new one for a while though.

I'm looking for an improvement particularly in playback speed. 1080p editing on my system works like a charm. But when it comes to 4K playback, my system just cannot give me a realtime smooth preview in 25fps in Sony Vegas, even in 1/2 or 1/4 resolutions. Regardless of preview resolution, playback sticks at 15-20 fps. Which I don’t understand as this usually dramatically increases fps.

I can however easily playback the clips in 4K full resolution on a media player like VLC. So this made me feel that I might not be lacking that much computing power to fix this? Rather maybe one or two specific parts on my rig. I also keep reading about the necessity of a lot of RAM but whenever I’m editing and I check my RAM usage I never even get close to the max of my 12GB. Should I still get more?

CPU: AMD FX-8350 4,2Ghz, 8-core (cooler: Spire TherMax II)
MB: Asrock 970 Extreme 4
RAM:Corsair XMS3 2x4GB 1600MHz PC3-12800 DDR3 - 1.65V - CL8 & Corsair XMS3 2x2 GB 1333 MHz PC3-10600 - CL9 - 1.5 V (12GB Total)
GPU: XFX Radeon 5850 Black Edition 1GB GDDR5
SSD: 120 GB Samsung 840 Series
HDD: Seagate 2x2TB 7200RPM SATA 6 GB/s & Seagate 1TB 7200 RPM, SATA 6 GB/s
PSU: OCZ ModXStream Pro 700w

Thanks in advance for any advice :).
 

drawingmyday

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Jun 11, 2012
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I usually render 4K to full HD for the final product. So rendering 4K isn't necessarily a priority. Will improving my RAM increase playback speed in the preview monitor? Also notice that my RAM is currently set to 1333 Mhz even though 8GB of it does support 1600Mhz. If I upgrade to 16GB, I could also make all RAM 1600 Mhz. Worth it? Thanks.
 


Your cpu is getting overloaded in the preview windows not anything else. I don't recommend mixing and match ram as there is no guarantee it will work together. If you want to upgrade to 16gb, buy them all from the retail packing.
 

drawingmyday

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Jun 11, 2012
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This I don't get. During video playback in Sony Vegas my CPU's average load is 30% with a maximum of 40%. All cores are being used. What am I missing? Thanks.