I'm taking a slight side trip from the original outline of my 5-part series on Performance Benchmarking and its use in DW Analytics Engineering and Maintenance activities.
Here I recreate the analysis of part 2 of my series, A Picture is Worth 1000 Words, but with updated information for Redshift using the RA3 instances with managed storage that were first announced in late 2019. The difference is eye-opening.
Article: A Picture is Worth 1000 Words REDUX