Hey there,
I should start that Enterprise is gone now so its Standard vs Enterprise Plus. With that said, sorry to be doing this but here might answer most of your questions: VMware vSphere Product Line Comparision
For a brief overview however, you miss a number of features with likely the biggest being DRS. Outside this there are features like Distributed Switches, Host Profiles, Auto Deploy, SIOC, etc. At our last renewal we were tempted to drop Enterprise+ licensing and seriously considered creating (watch for the gasps) a script to balance workloads. Crude I know and definitely not enterprise grade but we don't often have DRS move our workloads due to not being overcommitted. Definitely not recommending this as a path to follow but I will say, it did skim across our minds given we don't really use any of the other Enterprise+ features.
Hope this helps?