video cards they're good for you know
anything to do with video right I mean it's it's right in the name video card
they've got features to enhance video playback in real time they've got
dedicated Hardware to accelerate video games and they're a necessary component
of any system that needs to Output video to a display at all but what about video
editing this capability has been featured prominently on the boxes of
video cards for over a decade but do
they actually make any bloody difference or should you just get a beefy CPU and
Tackle your video rendering that way let's find out shall
we the master case 5 by Cooler Master gives you the freedom to truly make your
midtower PC case your own with a variety of modular parts and accessories check
out the l in the video description to learn more let's start with a little bit
of background on why it is that we are doing this we make videos and one of the
most tedious and timeconsuming processes
that slows us down aside from our servers being broken is transcoding
footage for faster performance in Adobe Premiere a process that you can learn
more about here and encoding our
finished videos using the optimal resolutions and video codecs for the
various platforms that we publish on including YouTube vessel and billybilly
docomo when we were developing our copor workflow that GPU usage in our
workstations was much higher than we expected with certain workloads which is
funny because we originally thought the GTX Titan class cards in our editing
workstations were basically a because we can thing but something we never really
had the time to investigate was which
video cards are best for this process we
just stuck with what NVIDIA had provided us back when we did our whole room water
cooling project well now we've got an
opportunity to answer that question for the Adobe editors out there for an
unrelated project super micro just sent us one of their super server Sy 4028 gr-
trt servers this freaking badass of a
machine is going to be used in a project where we run eight gaming rigs off of a
single box with gtx980 ti amp card from
Zotac more to come but in the meantime
it presented an opportunity for me and
Ed to quickly and with relative ease
without any physical access to the machine use on raid as a virtualization
host and then use this thing as a remote
test bench so Ed could shut down a Windows Virtual Machine virtually swap
the video card to any one of the ones in here turn it back on and be ready to
rock with a new set of bench marks this led us examine how a wide cross-section
of different video cards on both the AMD and NVIDIA side of the fence behaved in
our typical video encoding tasks so the
virtual machines were set up with eight core hyperthreaded virtual processors to
represent a high-end consumer or mid-range Zeon processor and 32 gigs of
RAM the tests were done using the 200 gig boot SSD as a source and as a Target
and we used actual Linus media group video projects for all the scenarios
let's start by looking at the time it takes to export a timeline containing
mostly cfor video clips in cfor this is
how we would normally send the project to the final export server for
processing into h264 and the only real conclusion that
we can draw from this is that whether you go with AMD and therefore opencl
acceleration or NVIDIA and therefore Cuda acceleration for your video
workstation you're going to be getting a very similar experience just make sure
that you do have a video card as relying
on the CPU to do this work on its own is clearly a bad idea for the next scenario
we're looking at something that would be more applicable to most prosumer and
professional video editors so we're taking the 1080p cfor export from the
first test and transcoding it to 4K
h264 no separate encoding server
involved our GPU usage hovered around
30% and the advantage that our video cards enjoyed over the CPU only workflow
diminished significantly here which might lead one to the conclusion that
which graphics card you choose doesn't matter or even that a graphics card is
really optional if you're exporting videos directly from your editing
workstation except that our third test
using chroma keed copor 4K footage and
exporting to 1080p cinor showed us what
we were finally looking for the scenario in which a powerful video card
demonstrates not just better performance
against pure CPU encoding but also
lesser video cards so the beefiest gaming GPU in this case the
gtx980ti in the system comes out on top
with the Lesser cards performing about as much worse as you would expect given
their overall horsepower and this would be applicable not just to chroma key
green screen footage but also to any project with other effects like lumry
color uh or warp stabilizer which leads
us then to a really interesting final conclusion here AMD versus NVIDIA in
this case doesn't seem to matter much the 970 and the r9290 which is about
equivalent to its 300 series replacement are similar enough across the board that
I I couldn't recommend one brand over the other for editing an Adobe Premiere
with that said that might not be the case if you use other tools but the
takeaway here then is that for video editing and Adobe Premiere you should
get a GPU even if it's just a mainstream
model and that much like for gaming once
you get into the performance and Enthusiast product range you are getting
diminishing returns for the money you spend neat
speaking of which this is pretty cool this is a brand new sponsor for us Blue
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