db.z1d.2xlarge is an AWS RDS size with 8 vCPUs, 64 GiB memory (Intel Xeon Platinum 8151). In US East (N. Virginia) it costs $1.368 per hour on demand ($998.64 per month) for Oracle Enterprise BYOL, Single-AZ; a 1-year reserved instance with no upfront costs $0.9337 per hour, 32% less. It is sold in 14 regions.
Prices by region
USD per hour, Oracle Enterprise BYOL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.