You don't have to pay the Intel premium so you get better performance/$. I would be willing to bet AWS uses Graviton internally for many of their services like

You don't have to pay the Intel premium so you get better performance/$. I would be willing to bet AWS uses Graviton internally for many of their services like S3, DynamoDB, et. One thing to keep in mind is that ARM doesn't support Hyperthreading so you get twice the number of cores than with x86.