Dell UltraSharp HDR 4k webcam isn't giving 30fps by WebcamTexture

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I am using WebcamTexture for webcam capture and I am getting 8FPS for 4K resolution. Do you know what webcam can support 30 fps at 4k resolution. The current one that we are using is Dell UltraSharp HDR 4K webcam.

I want to stream 2 cameras at 4K resolution.
I also installed Dell Peripheral Manager as well. Still it’s not giving 30fps.
Please help me out as this is a major requirement. I have heard of AVPro Live Camera. It seems to work well but it has a bit of latency.

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You should be able to find this in the technical specs of any webcam you’re looking at.

For instance this cam should support 24 and 30 Hz in 4k:

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If you can’t get what the specs say, first check your connection. Make sure the webcam is plugged directly on a motherboard USB 3.x connector, not USB 2 and not plugged in through an extension cord or USB Hub. These will very likely affect the throughput and thus force the cam to not support the max framerate.