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Question 2 Independent GPUs for Video Encoding and 3D Modeling?

Jun 25, 2020
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I'm doing a new desktop PC build for video editing/3D modeling using Adobe Media Encoder, Premier Pro, After Effects, and Cinema 4D/Redshift. The new build has an RTX 2080 GPU. My older system has a GTX 1660 Ti. The new build essentially upgrades my 2ndGen i7 CPU to a 3rdGen i9 for 3D modeling/rendering.

Is there any value in adding the GTX 1660 Ti as a secondary independent GPU. I understand there can be no SLI involved, but can I use GTX 1660 Ti as the "display" GPU and the RTX 2080 as the physical operation GPU for rendering, encoding, and 3D modeling in complex environments? Would there be an improvement in CUDA core and GPU GB bandwidth in this scenario?

The new build:
ASUS ROG STRIX Z-390F MB
Intel i9 CPU with Radiator Aqua Cooling Fan/Pump
64GB RAM
Two - 1TB M.2 on board SSDs
One - 1TB 2.5 SSD
750 Watt PS

Thanks for your recommendations.
 

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