go in the GPU driver setting and set to Power mode to high performance. i have noticed in some games itll clock down at times it shouldnt. your 3d mark seems a bit low to me as i just break 16k https://www.3dmark.com/spy/14888770
oh here is the reddit queue list https://docs.google.com/spreadsheets/d/e/2PACX-1vRintBllSIYz0TBOTLSbxYW8trXO_V3GUsgOdBEksclTQyBMnXGbrW1j1z_44waeTjLa3t0KEHSjknP/pubhtml# if any one hasnt found it yet for EVGA
your looking at $3500 MINIMUM buy in for 2x 3090's and nvlink bridge. and then power ... these are 350 to 450w OR MORE cards thats 700w to 900w before we even get to the rest of the system. a 1000w PSU is going to be maxing out on any kind of system you would think of putting that much GPU...