Marduk: "You need more RAM! I had a laptop with 4 GB before: loading times up to 5 mins. Now I have a tower with 8 GB: loading time 1:20-1:40 min...."
Mr J: "This is anecdotal evidence which can not be a proof. 4GB is as fine as 8GB.4GB is as fine as 8GB."
One doesnt need a statistical evidence for that. Some things are just obvious. Beside that, other players told me the same.