Depending on the metric. I have not seen any incidents where the isolation between customers was breach. Azure had several. Their compute offerings are better.

Depending on the metric. I have not seen any incidents where the isolation between customers was breach. Azure had several. Their compute offerings are better. We could go on. On the other hand, Azure was(and still is) upfront about not having AZs - now that they have rolled out, hopefully those are not in the same building.