MicrosoftGreat blog, but there is more to a VM sku than just CPU & Mem, amount of network cards , disks and the throughput and his limits, better start with a bigger machine and downsize later. as the installation goes faster so quicker done and resize if needed for cost savings. But keep an close eye on your disk iops as you can't run 80000 iops with a B type vm. more about this in a blog post https://techcommunity.microsoft.com/t5/microsoft-mvp-award-program-blog/friday-five-azure-free-smtp-relay-using-sendgrid-power-platform/ba-p/894274 Azure VM vs Disk vs Costs
