You can find the information you're looking for in the table on this pageamd China Card 6750gre Is it an oc version of 6700xt or a downclocked version of 6750 xt? Is the core of this card new or old?
This is a picture I found on a Chinese forum
What I want to ask is whether the navi22 of 6750gre is a new core. Hasn’t this been discontinued a long time ago?You can find the information you're looking for in the table on this page
It's "old" in that it uses RDNA2, rather than RDNA3.