High CPU even with GPU Enabled

I have the latest version of Rekor Scout running, and I have enabled GPU support, and I am seeing GPU load, so I know its working. Performance is good, however I am still seeing 20% CPU usage of my i7-8700K

Is this expected? I am also running Deepstack on this system, and when I switched to the GPU version, CPU load went to 0%

Is there anything I can do to reduce the CPU usage, and have it rely more on the GPU?

I’m running 2 x 1080p cams at 25fps