AWS, Azure, and Google Cloud Compared

AWS, Azure, and Google Cloud Compared

Three Giants, One Set of Ideas

Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP) dominate the market. They share the same underlying concepts - regions, virtual machines, storage, and managed services - and each offers a wide catalog with nearly parallel services under different names. Learning one transfers to the others.

The Big Three at a Glance

AWS launched in 2006 and is the largest and most mature, with the broadest service catalog and the most documentation and community content. Azure integrates deeply with the Microsoft ecosystem, so organizations already on Windows Server, Active Directory, and Office tools find it familiar. GCP is known for data and machine learning strength, and its container platform was the original home of Kubernetes software.

Mapping Common Services

Comparing side by side reveals how similar the offerings are:

• Compute (virtual machines): EC2 (AWS), Virtual Machines (Azure), Compute Engine (GCP).
• Object storage: S3 (AWS), Blob Storage (Azure), Cloud Storage (GCP).
• Databases: RDS (AWS), Azure SQL (Azure), Cloud SQL (GCP).
• Serverless functions: Lambda (AWS), Azure Functions, Cloud Functions (GCP).

Choosing a Provider

Start with what your team already knows and what your application needs. Free tiers make all three affordable to learn:

AWS:     12 months of the free tier
Azure:   a monthly credit for new accounts
GCP:     a one-off credit for new accounts

Most learning happens on whichever one your company or course uses, so pick one, reach the free-tier limits, and become comfortable there before comparing the rest.

A Word on Cost

Every provider bills separately for compute time, storage, and data transfer. Stop, resize, or downsize resources you no longer need; a forgotten large virtual machine is the classic surprise in the first bill. Set billing alerts on day one.

Key Points

• AWS, Azure, and GCP cover the same ideas with different names.
• AWS is largest and most mature, Azure suits Microsoft shops, GCP excels at data.
• EC2, Virtual Machines, and Compute Engine are the same service on three providers.
• Free tiers let you learn one provider thoroughly at no cost.
• Set billing alerts and delete idle resources to control costs.