ThePCEnthusiast published GeForce RTX 4080 vs RTX 3080 and RTX 3080 Ti
A quote from the article:
Reviews for NVIDIAs GeForce RTX 4080 graphics card are out, and we can finally compare it to its predecessor, the GeForce RTX 3080, and throw in the RTX 3080 Ti as well. The RTX 4080 offers a huge performance increase from its predecessor.GeForce RTX 4080 vs RTX 3080 and RTX 3080 Ti