A like for like total cost of ownership comparison for Oracle Database and Oracle application workloads on the three clouds, with the licensing math shown in full and the trade offs stated honestly.
Generic cloud cost comparisons fall apart the moment the workload is Oracle. Compute list prices are a fraction of the real bill once Oracle Database licensing enters the picture, because Oracle counts cores differently on each cloud. The same 16 core database needs twice the licenses on AWS or Azure that it needs on OCI, and that single policy decision routinely outweighs every infrastructure discount the hyperscalers can offer. Most published comparisons either ignore licensing entirely or bury it in a footnote, which is why so many Oracle migrations land 40 to 80 percent over the business case.
This benchmark prices the full stack for Oracle workloads across OCI, AWS, and Azure: compute, the licensing multiplier, storage and IO, egress, and support offsets such as Oracle Support Rewards. It works through three representative scenarios, a two node RAC estate, an Oracle EBS estate, and a mixed VM estate, and shows the three year totals side by side. It is also honest about where AWS and Azure still win, because a benchmark that always reaches the same answer is not a benchmark, it is a brochure.
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