Yes, you wouldn't have 4K in 2002.
4GB today is nothing.
My normal usage would be kinda strained with it, but possible.
$ free -h
total used free shared buff/cache available
Mem: 17Gi 3,1Gi 11Gi 322Mi 3,0Gi 14Gi
Swap: 2,0Gi 0B 2,0Gi
$