From this list the best from Nvidia is A5000
Not if you consider ROI.
That chart is comparing LHR vs non-LHR hash rates, note the 3080 has a higher hashrate and lower power
consumption than the 3080ti. If LHR mitigation wasn't considered these results aren't very realistic.
There's a big price premium on 3090 & 3090ti and the main feature for mining is no LHR. Whether it's worth
the price is a matter of personal opinion.