Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.
wondering why the pcb's are so much bigger?
In the pictures the Asus Strix 3090 I see three 8pin connectors for the card.