I would like to dedicate a budget of about 500 euros to upgrade my workstation and run inference on the qwen 3.6 27b and gemma 4 31b models. I currently have an RTX 5060Ti 16GB. What do you recommend I buy: an RTX 3080 20GB or a new RTX 5060Ti? They are both around 550 euros. Is it worth having 4GB