OK.
Yep, I agree if you need very good performance GTX 670 seems sweet spot.
but most probably in real things GTX 640 won't be much behind.
Looking at http://www.studio1productions.com/Articles/PremiereCS5.htm it seems that Adobe products scaling is not the best.
It requires someone to make proper test for DaVinci.
"It is always good to see some real benchmarks or measurements."
For CS5.5 http://ppbm5.com/ For DaVinci i havent seen any... but i also would like to see some.
"Are you sure that you need 4Gb?"
I don't know exactly how many memory Premier needs for "GPU" 4K editing, but according to people that is testing it in the Adobe Hardware forums it is needed more than 1GB (sorry dont remember exactly the amount but according to them 1,5GB is enough ) and having a lot of memory helps to improve performance.
On the other hand (although I think it is not very important for this conversation) having a lot of memory is important for GPU rendering as, the whole scene must be stored in the card memory. (I guess this can vary depending of the render engine)
http://jeffpatton.net/2010/11/gtxquadrotesla-my-opinion-on-todays-gpu-selections-for-rendering/
I just wanted to express that having that big amount of memory can be useful for a lot GPU computing applications, even if now you don't need it.
I have several of these cards in different computers, and looking at the "load" using GPUZ, even the GT 240 is never running at peak. That is, the program just doesn't ever use all of the GPU power even on the 240. I have a passively cooled GT 240 for my Video/Audio daw that is silent, and everything runs fine. Ray tracer in After Effects works if you hack the raytracer text file, exactly the way it is done in Premiere. If anything, playback is even smoother in CS6. I don't see a big difference using DDR5 as opposed to DDR3, but the testing shows a slight increase in throughput. An i7 with hyperthreading of course makes a big difference, and you need 12 gig ram. I plunked for the 16 gig because it is ridiculously cheap. I do believe that scaling, for all kinds of pan and scan, etc, is better using the CUDA. My GT 240s will also power the Catleap 27" monitor no problem. Lastly, native GPU acceleration in Speedgrade requires at this time a real Quadro card, if there is a hack for this I have not found it. Waiting for the budget Tesla clone :)
Speedgrade is another beast. I can load 4K footage, grade it and play back real time butter smooth on an older AMD Phenom II x6, 16GB, GTX460 system.
From another forum/GPU thread, I read:
SpeedGrade is in a league of its own in terms of performance. Instead of using GPU compute, i.e. use the GPU to mimic CPU functions, it directly leverages the GPU's shaders through OpenGL. The result is performance an order of magnitude better than the likes of Premiere Pro or Resolve. Interestingly, the SpeedGrade team recommends Quadro GPUs
In is very interesting conflicting data about SpeedGrade.
Radeon 7970 looks like an excellent contender.
Issue is that both CS6 and DaVinci do not support AMD cards :-)
So, if you need card today, NVidia is the only way.
Swapped out a GTX460 2gb with a GT640 2gb and see an increase in rendering and real time playback in PP CS6 with CUDA hack. I can't believe what you can get for $100 in performance. And no need for power connectors! Being able to run 3 monitors (2 dvis 1 Display Port) was also a plus.
Being able to run 3 monitors (2 dvis 1 Display Port) was also a plus.
Do you have a link to exact card you use, as most GT 640 seem to have 2xDCI, HDMI and VGA.
OK. Almost the same as in first post.
It seems than Speedgrade just needs OpenGL 2.0 graphic card, therefore it should work fine with AMD cards... any experience with it?
Another interesting comparisons between GTX 680 and AMD 7970:
It is topic about desktop graphic cards :-)
This thing is mostly useless marketing shit. They want to sell Quadro :-) Just most people do not want to buy it.
@DrDave Yeah, it seems that in PPro the problem is either getting the software to utilise all the available cores (or some other bottleneck, perhaps memory bandwidth).
According to Studio1's benchmarks (http://www.studio1productions.com/Articles/PremiereCS5.htm) there's hardly any difference in timeline rendering speeds across the various cards, there's lot more variance in DVD encoding.
I took their listed results for CUDA rendering on CS5.5 and compared them to the GT-240. The figures below are seconds and a ratio compared to the GT-240.
Benchmark One: AMD X4 @ 3.2 GHz / 8GB Video Card Time Line Render Export to MPEG-2 DVD None 373.0 / 10.91 387 / 1.38 GT-240 34.2 / 1.00 281 / 1.00 GT-440 33.3 / 0.97 275 / 0.98 GTX-470 31.6 / 0.92 230 / 0.82 GTX-545 32.8 / 0.96 258 / 0.92 GTX-550 Ti 31.9 / 0.93 246 / 0.88 GTX-570 31.5 / 0.92 193 / 0.69 GTX-680 30.0 / 0.88 184 / 0.65 Quadro 2000 32.5 / 0.95 257 / 0.91 Quadro 4000 31.6 / 0.92 242 / 0.86 Benchmark One: i7-920 @ 3.05 GHz / 16GB Video Card Time Line Render Export to MPEG-2 DVD None 114.0 / 9.91 176 / 0.97 GT-240 11.5 / 1.00 181 / 1.00 GT-440 11.5 / 1.00 180 / 0.99 GTX-470 10.0 / 0.87 98 / 0.54 GTX-545 11.0 / 0.96 168 / 0.93 GTX-550 Ti 11.0 / 0.96 159 / 0.88 GTX-570 10.0 / 0.87 97 / 0.54 GTX-680 9.0 / 0.78 86 / 0.48 Quadro 2000 11.5 / 1.00 166 / 0.92 Quadro 4000 11.0 / 0.96 155 / 0.86 Benchmark Two: AMD X4 @ 3.2 GHz / 8GB Video Card Time Line Render GT-240 341 / 1.00 GT-440 337 / 0.99 GTX-470 334 / 0.98 GTX-545 337 / 0.99 GTX-550 Ti 335 / 0.98 GTX-570 329 / 0.96 GTX-680 316 / 0.93
Studio1 also had this to say about H.264: "The difference between a 96 cuda core video card and a 480 cuda core video card was 7 seconds when exporting in the MPE GPU mode."
So today, unless you're doing MPEG-2 encoding there doesn't seem to be a great reason to upgrade from the GT-240.
EDIT Fixed benchmark two's ratios.
Personally, I went for GTX 670. We'll see how it'll behave, especially with upcoming DaVinci.
Also think that GTX 560 and it's variants are also not bad, quite cheap, especially if you get it on sale.
Of course, they are larger and consume more than GT 640, so may be it is better to just plug second GT 640 later if you need it.
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