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EGPU for Cuda not games: GTX 1070 vs GTX 980Ti

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I am looking to buy for my MBP mid 2014 GT750m an EGPU for graphics and VFX not games. Now the GTX 980Ti  is dropping in price to the level of a GTX 1070, would I be better of with the GTX 980Ti for my work or should i get the GTX 1070 and hopefully have the pascal drivers for OSX in the near future. 


I know that the 980Ti has a lot more CUDA cores 2816 vs 1920 , but is it likely that the Pascal Architecture even though has less CUDA cores be quicker in the future. I like that the power needed to drive the 1070 is much less and runs cooler.  Tell me your opinions and if anyone else has knowledge on this matter please share.



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Yeah, 980ti is pretty strong card itself, it has a lot of 'everything'. I can bench some programs if you want (mine is 1450mhz), but none of my friends has 1070 yet.

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I have both a 980 Ti SC+ and a 1070 being delivered later today.


I actually purchased both of my 980 Ti's on Amazon at used pricing. So this was prior to 1070/1080 release at under $400 each.


Are webdrivers out yet for Pascal cards ? If so I may put the eGPU setup back together. 

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I believe there is no OSX  drivers yet for the Pascal cards so a test on windows is the only option at the moment. What I am interested in is the  cuda  performance. I saw that the 980ti is a little bit better with OpenCL but i haven't seen any cuda comparison yet. But the difference was not as great as expected and in some cases the results were close. 




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