Exploring AWS RDS for SQL Server vs Azure SQL
I’m looking at moving to AWS RDS for SQL from Azure SQL. The biggest downside is the licensing.
Currently, I’m using a SQL Pool using the DTU model with 50/eDTUs (Standard Budget Friendly). That runs about $110/month, where 5 DBs share the resources.
On AWS RDS for SQL Server
db.t3.xlarge
vCPU: 4
Memory: 16 GiB
Edition: Express
$266.00/month
reserved: $171.66/month
Edition: Web
$302.50/month
reserved: $194.39/month
Edition: Standard
$772.62/month
reserved: $730.72/month
https://calculator.aws/#/estimate?id=ed7569e71449dcd72e5ce535091a9a2ce2530d2e
Changing to a vCore Model using Elastic Pool
Azure doesn’t provide the memory spec, but it’s 5.1 GB per vCore
vCore:2
Memory: 10.2 GB
$375.66/month
vCore: 4
Memory: 20.4 GB
$743.85/month