This video demonstrates using LM Studio to run an LLM on an RX 7600XT 16gb so you should be able to run it on an RX 6900XT: https://www.youtube.com/watch?v=VXHr

This video demonstrates using LM Studio to run an LLM on an RX 7600XT 16gb so you should be able to run it on an RX 6900XT: https://www.youtube.com/watch?v=VXHryjPu52k https://www.youtube.com/watch?v=VXHryjPu52k