4 ms·Yup, it's about 1.8x for the instance sizes I checked.by dstaley 6y agoYup, it's about 1.8x for the instance sizes I checked.tbrock 6y agoYeah that’s only true if you aren’t using piops. It can be an order of magnitude in price difference vs i3 when you need lots of I/O.dstaley 6y agoPIOPS is the same price whether it's attached to an EC2 instance or an RDS instance.