RTX 3090 vs RTX 2080 Ti vs GTX 1080 Ti - Test in 4K - YouTube
Amazon.com: ASUS ROG STRIX NVIDIA GeForce RTX™ 3090 White OC Edition Gaming Graphics Card (PCIe 4.0, 24GB GDDR6X, HDMI 2.1, DisplayPort 1.4a, White color scheme, Axial-tech Fan Design, 2.9-slot, Super Alloy Power :
The RTX 3090 vs. 2 x RTX 2080 Ti – SLI, mGPU & Pro Apps Benchmarked – BabelTechReviews