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SpecsTacular

Single-GPU vs Multi-GPU Rendering (GTX 1080Ti vs Titan Xp) -- DaVinci Resolve

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Posted · Original PosterOP

DaVinci Resolve Studio support Multi-GPU rendering but how much is the difference from single to dual. Is it better to use GTX 1080Ti or Titan Xp for GPU Acceleration? I would plan to use nVidia Quadro P6000 for 10-bit color for my primary displays and using either single or dual GTX 1080 Ti/s or Titan Xp/s

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If you have the money why not buy one 1080 Ti first then see if you're satisfied with the results and then do or don't get a second 1080 Ti, but in my opinion the Titan Xp isn't worth the extra money over the 1080 Ti.


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Also, don't know that this helps but I do a lot of video editing as well (premier pro), anyways my brother has an SLI setup with dual GTX 980 Ti's and its only about a 20% increase in rendering performance, over a single 980 Ti like in my system (My CPU is more powerful though too). I know that's on the maxwell architecture and SLI bridge performance was a big improvement on the 10 series Pascal GPU's. But like I said maybe try one 1080 Ti then see if you'd be willing to fork over the money for a second GPU.


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Blueberry Pi : R7 3800X ‖ Asus X470 ROG Crosshair VII Hero Wi-Fi ATX ‖ Corsair Vengeance RGB Pro 2x16GB 3200MHz ‖ EVGA GTX 1080Ti SC Black Edition 11GB ‖ EVGA 850W P2 ‖ Cryorig R1 Universal (Blue) ‖ Corsair ML Blue LED Fans ‖ Fractal Design Meshify C TG ATX Mid Tower

 

Gaming PC (Updated) : i7-8700k OC@5.0GHz (Delid) ‖ Asus Z370-G Gaming Wi-Fi mATX ‖ Corsair Vengeance LED (Blue) 2x16GB 3000MHz ‖ EVGA GTX 1080 SC2 Gaming iCX 8GB ‖ EVGA 750W P2 ‖ Corsair H100i Pro ‖ Corsair ML RGB Fans ‖ Corsair Crystal 280x mATX Case

 

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Laptop: Dell XPS13 (2017) ‖ i7-7550U ‖ 16GB DDR3 RAM ‖ Intel Integrated Graphics ‖ 1TB NVME M.2 ‖ QHD+ (4K) InfinityEdge Touch Display 

 

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mvp_pas_candle.png

Barefeats has some very basic Resolve benchmarks. Oddly enough their older Noise Reduction benchmarks seem to show much better multi-GPU scaling:

d980_cand.png

d980_lite.png

 

I can't help but wonder if the situation is getting similar to games, where a single GTX 1080 Ti is powerful enough that having two of them doesn't make as large a difference anymore.

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