https://wccftech.com/nvidia-geforce-rtx-3080-ampere-gaming-graphics-card-allegedly-20-faster-than-rtx-2080-ti/

NVIDIA's GeForce RTX 3080 graphics card based on the Ampere GPU architecture is expected to bring a huge boost in performance over the GeForce RTX 2080 if rumors hold true. The GeForce RTX 3080 will be one of the many high-end graphics cards featured in the Ampere Gaming GPU family.

Based on previous rumors, the NVIDIA GeForce RTX 3080 is going to be based on the Ampere GA102 GPU core. The same core will be powering the higher-end GeForce RTX 3080 Ti graphics cards. The latest details on the performance of this graphics card come from KatCorgi who has stated that the GeForce RTX 3080 will feature up to 20% performance increase over the GeForce RTX 2080 Ti.