db.r7i.metal-48xl is an AWS RDS size with 192 vCPUs, 1536 GiB memory (Intel Xeon Scalable (Sapphire Rapids 8488C)). In US East (N. Virginia) it costs $18.00 per hour on demand ($13,140.00 per month) for Oracle Enterprise BYOL, Single-AZ; a 1-year Database Savings Plan costs $14.40 per hour, 20% less. It is sold in 11 regions.
Prices by region
USD per hour, Oracle Enterprise BYOL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.