db.z1d.6xlarge is an AWS RDS size with 24 vCPUs, 192 GiB memory (Intel Xeon Platinum 8151). In US East (N. Virginia) it costs $4.104 per hour on demand ($2,995.92 per month) for Oracle Enterprise BYOL, Single-AZ; a 1-year reserved instance with no upfront costs $2.801 per hour, 32% less. It is sold in 13 regions.
Prices by region
USD per hour, Oracle Enterprise BYOL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.