Amazon.com: ASUS ROG STRIX NVIDIA GeForce RTX 3080 OC Edition Gaming Graphics Card (PCIe 4.0, 10GB GDDR6X, HDMI 2.1, DisplayPort 1.4a, Axial-Tech Design, 2.9-Slot, Super Alloy Power II, GPU Tweak II) (Renewed) :
Getting to Know Your Video Card with GPU-Z - NEXTOFWINDOWS.COM
GPU-Z Graphics Card GPU Information Utility
TechPowerUp GPU-Z v2.26.0 Released | TechPowerUp
Is Techpowerup reliable to measure GPU performance? According to them the RX 6800 is 3% better than the RTX 3070 Ti, but on PcPartPicker the cheapest RX 6800 is $200 CAD cheaper