i use Copilot and i it came out to me that who RX6600 have one problem.

4 Gb marked in info Vram and my Rx have 8 gb total Vram. from what dependency this problem?
i test Warp Ai on my Computer and question to warp Why problem tested in Graphic card Info Vram he Ask is "your graphic card is 4 Gb you want fix now?"

What should i try?