Amazon EC2 vs Amazon S3: What are the differences?
Amazon EC2: Scalable, pay-as-you-go compute capacity in the cloud. Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale computing easier for developers; Amazon S3: Store and retrieve any amount of data, at any time, from anywhere on the web. Amazon Simple Storage Service provides a fully redundant data storage infrastructure for storing and retrieving any amount of data, at any time, from anywhere on the web.
Amazon EC2 can be classified as a tool in the "Cloud Hosting" category, while Amazon S3 is grouped under "Cloud Storage".
Some of the features offered by Amazon EC2 are:
- Elastic – Amazon EC2 enables you to increase or decrease capacity within minutes, not hours or days. You can commission one, hundreds or even thousands of server instances simultaneously.
- Completely Controlled – You have complete control of your instances. You have root access to each one, and you can interact with them as you would any machine.
- Flexible – You have the choice of multiple instance types, operating systems, and software packages. Amazon EC2 allows you to select a configuration of memory, CPU, instance storage, and the boot partition size that is optimal for your choice of operating system and application.
On the other hand, Amazon S3 provides the following key features:
- Write, read, and delete objects containing from 1 byte to 5 terabytes of data each. The number of objects you can store is unlimited.
- Each object is stored in a bucket and retrieved via a unique, developer-assigned key.
- A bucket can be stored in one of several Regions. You can choose a Region to optimize for latency, minimize costs, or address regulatory requirements. Amazon S3 is currently available in the US Standard, US West (Oregon), US West (Northern California), EU (Ireland), Asia Pacific (Singapore), Asia Pacific (Tokyo), Asia Pacific (Sydney), South America (Sao Paulo), and GovCloud (US) Regions. The US Standard Region automatically routes requests to facilities in Northern Virginia or the Pacific Northwest using network maps.
"Quick and reliable cloud servers", "Scalability" and "Easy management" are the key factors why developers consider Amazon EC2; whereas "Reliable", "Scalable" and "Cheap" are the primary reasons why Amazon S3 is favored.
Airbnb, Uber Technologies, and Netflix are some of the popular companies that use Amazon EC2, whereas Amazon S3 is used by Airbnb, Spotify, and Netflix. Amazon EC2 has a broader approval, being mentioned in 3607 company stacks & 1618 developers stacks; compared to Amazon S3, which is listed in 3235 company stacks and 1615 developer stacks.