It would be a nice feature if you could turn off unneeded memory for example running a 24gb card with 8gb or 12gb as this would reduce heat and power consumption a little bit.
It is very rare that I use more than 8gb for anything.
If bandwidth is going to benefit anything it will be the 2160p results.
Unfortunately the above is not happening.
The 3090 is still over 30% faster at 4k than the 3080 while only having 20% more cores and a lower clock speed than the 3080
please explain