Hi!!
you don't necessarily need to switch machine models, you can just increase the vm size, if cpu only. now if it's better performance as a whole (iOS disk), but,
Yes, you can scale up your virtual machine (VM) to the D series if you find that you need more vCPUs or RAM. Azure offer a wide range of sizes and series to accommodate different workloads and requirements. Both the B series and D series are general-purpose.
you can learn more about types in:
Reference: https://video2.skills-academy.com/en-us/azure/virtual-machines/sizes
Get in touch if you need more help with this issue.
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