OCI vs AWS

Oracle Cloud Infrastructure (OCI) vs 

Amazon Web Services (AWS)

Choose OCI for these reasons:

Cost and Pricing

Compute and Storage: OCI is 30% to 50% cheaper.  
Data Egress: OCI gifts the first 10 TB/mth of outbound internet data transfer for free, whereas AWS charges for outbound data traffic. 
Pricing Structure: OCI has identical pricing across the globe, while AWS charges different prices depending on region. 

Database and Enterprise Workloads

Oracle Integration: OCI is purpose-built to run Oracle Database, Exadata, and Oracle E-Business Suite at significantly lower total cost and higher transaction throughput (30–50% faster) than AWS. 
Licensing: OCI applies a 1:1 core licensing factor for Oracle Bring Your Own License (BYOL), compared to the 2:1 penalty ratio often enforced by AWS and Azure. 

Infrastructure and Performance

Noisy Neighbors: OCI uses isolated network virtualization architecture to reduce performance interference from other tenants.
Customization: OCI allows granular allocation of memory and processing cores in single-unit increments rather than forcing upgrades to predefined fixed instance shapes.

Choose AWS for these reasons:

Market Maturity and Ecosystem

• Service Breadth: AWS has lots of (200+) cloud services, with better functionality in ML, IoT, and serverless computing. 
• Third-Party Integrations: The vast majority of modern enterprise software, open-source tools, and security vendors build native integrations for AWS first. 
• Global Footprint: AWS operates significantly more Availability Zones (AZs) per region, offering higher architectural redundancy and lower latency worldwide. 

Developer Experience and Talent

• Community and Support: AWS features a massive global community, exhaustive documentation, millions of forum solutions, and extensive community-driven tutorials. 
• Talent Availability: Finding, hiring, and onboarding certified AWS engineers and architects is substantially easier due to its decade-long market dominance.
• Infrastructure as Code: AWS native tools like CloudFormation and CDK offer deep, mature automation capabilities that outpace OCI's smaller automation ecosystem. 

Enterprise Trust and Compliance

• Proven Track Record: AWS has successfully managed massive, complex enterprise workloads at scale for nearly two decades.
• Compliance Certifications: AWS maintains a broader list of global, regional, and industry-specific compliance certifications and government-cleared cloud regions.