Why 4090 5090 same score?
It is literally impossible for the 5090D to be faster at anything than the 5090.
On Passmark there is a sample size of 14,663 for the 4090 benchmark.
The sample size of the 5090 D is 1. This card could be overclocked or anything. The margin for error is enormous.
What's more interesting is why the 4090 and the 5090 are almost the same score on Passmark.38421 and 38872 respectively.