You could but from this:
NVLink on NVIDIA GeForce RTX 2080 & 2080 Ti in Windows 10
There was a lot of excitement when it was first announced that GeForce RTX 2080 and 2080 Ti cards would have NVLink connectors, because of the assumption that it would allow them to pool graphics memory when used in pairs. Digging into the functionality of the NVLink connection on these cards...www.pugetsystems.com
You could but from this:
NVLink on NVIDIA GeForce RTX 2080 & 2080 Ti in Windows 10
There was a lot of excitement when it was first announced that GeForce RTX 2080 and 2080 Ti cards would have NVLink connectors, because of the assumption that it would allow them to pool graphics memory when used in pairs. Digging into the functionality of the NVLink connection on these cards...www.pugetsystems.com
Im sure this link doesn't specify nvlink between and 2080 and a 2080 ti it just says if u can nvlink between 2 2080's or 2 ti's
Also what cpu do you have are you sure Ur not being bottlenecked by that or another component in Ur system. Since gaming at 1440p with a 2080ti should get higher fps