Estimate and Compare AWS Costs with the AWS Pricing Calculator – Part 1: Creating and Comparing Workload Estimates
Cloud Financial Management Blog
This article explains how to use AWS Pricing Calculator's Workload Estimates feature to compare cloud infrastructure costs, specifically demonstrating migration from x86 to AWS Graviton3 processors.
- Create Workload Estimates to model costs for specific applications and architectural changes without spreadsheets
- Compare x86 (c7i.large) vs. Graviton3 (c7g.large) instances side-by-side at identical on-demand rates
- Example shows 20 instances reducing compute costs by $309.23/month (19% savings) in US East (N. Virginia)
- Apply Savings Plans and Reserved Instance discounts to estimates for accurate cost projections
- Methodology extends to other scenarios: Lambda vs. EC2, containers vs. serverless, and architectural modernization
AWS Pricing Calculator enables data-driven infrastructure decisions by isolating cost impact of single architectural changes through repeatable comparison workflows.
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