Hello You don't tell us the processor and RAM, the version of SW, whether you work locally or in a network with or without PDM. These parameters also have a significant influence.
We can add that for the large complexes, very big progress has been made on the 2019 but especially the 2021 and we can also hope for the 2022.
You shouldn't focus too much on the graphics card which is very little used if you look at its use. There is a lot to be gained by taking into account all the recommendations of SW as well as those of our colleagues on this forum for the management of large complexes.
Kind regards
FORTHCOMING ! The management of large housing estates under SW in 12 volumes ;-)