Software Alternatives, Accelerators & Startups

Redis โ„ข VS Amazon S3

Compare Redis VS Amazon S3 and see what are their differences

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Redis logo Redis

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

Amazon S3 logo Amazon S3

Amazon S3 is an object storage where users can store data from their business on a safe, cloud-based platform. Amazon S3 operates in 54 availability zones within 18 graphic regions and 1 local region.
  • Redis Landing page
    Landing page //
    2022-10-19

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions and different levels of on-disk persistence, and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster.

  • Amazon S3 Landing page
    Landing page //
    2021-11-01

Amazon S3 (Amazon Simple Storage Service) is the storage platform by Amazon Web Services (AWS) that provides an object storage with high availability, low latency and high durability. S3 can store any type of object and can serve as storage for internet applications, backups, disaster recovery, data archives, big data sets and multimedia.

Redis features and specs

  • Performance
    Redis is an in-memory data store, which allows it to provide extremely fast read and write operations. This makes it ideal for applications requiring real-time interactions.
  • Data Structures
    Redis offers a variety of data structures, such as strings, hashes, lists, sets, and sorted sets. This flexibility helps developers manage data more efficiently in different scenarios.
  • Scalability
    Redis supports horizontal scalability with features like clustering and partitioning, allowing for easy scaling as your application grows.
  • Persistence
    Though primarily an in-memory store, Redis provides options for data persistence, such as RDB snapshots and AOF logs, enabling data durability across reboots.
  • Pub/Sub Messaging
    Redis includes a built-in publish/subscribe messaging system, which can be used to implement real-time messaging and notifications.
  • Simple API
    Redis has a simple and intuitive API, which can speed up development time and make it easier to integrate Redis into various application stacks.
  • Atomic Operations
    Redis supports atomic operations on data structures, reducing the complexity of concurrent programming and making it easier to maintain data consistency.

Possible disadvantages of Redis

  • Memory Usage
    Being an in-memory data store, Redis can become expensive in terms of memory usage, especially when working with large datasets.
  • Data Persistence Limitations
    While Redis offers data persistence, it is not as robust as traditional databases. There can be data loss in certain configurations, such as when using asynchronous persistence methods.
  • Complexity in Scaling
    Although Redis supports clustering, setting up and managing a Redis cluster can be complex and may require significant DevOps expertise.
  • Single-threaded Nature
    Redis operates on a single-threaded event loop, which can become a bottleneck for certain workloads that could benefit from multi-threading.
  • Limited Query Capabilities
    Compared to traditional relational databases, Redis offers limited querying capabilities. Complex queries and joins are not supported natively.
  • License
    As of Redis 6 and higher, the Redis modules are under the Server Side Public License (SSPL), which may be restrictive for some use cases compared to more permissive open-source licenses.

Amazon S3 features and specs

  • Scalability
    Amazon S3 automatically scales storage resources to meet user demands, enabling businesses to store a virtually unlimited amount of data without worrying about capacity constraints.
  • Durability
    Amazon S3 is designed for 99.999999999% (11 9's) durability, ensuring that your data is highly protected against loss and corruption.
  • Security
    Amazon S3 offers robust security features, including encryption at rest and in transit, fine-grained access controls, and integration with AWS Identity and Access Management (IAM).
  • Integrations
    Amazon S3 integrates seamlessly with other AWS services such as EC2, Lambda, and RDS, as well as third-party applications, facilitating a cohesive cloud environment.
  • Cost-Effectiveness
    Amazon S3 offers a range of storage classes, allowing users to optimize costs based on their access patterns, from frequently accessed data to long-term archival storage.
  • Global Availability
    Amazon S3 is available in multiple regions worldwide, providing low latency and high availability for users around the globe.

Possible disadvantages of Amazon S3

  • Complexity
    The wide array of features and configurations in Amazon S3 can be overwhelming for beginners, requiring a steep learning curve and careful planning.
  • Cost Predictability
    Although cost-effective, the pricing model of Amazon S3 can be complex due to various factors such as storage volume, data transfer rates, and request frequency, leading to unpredictable costs if not monitored closely.
  • Performance Variation
    While generally offering high performance, the speed of data retrieval from Amazon S3 can vary based on factors like object size, storage class, and region, potentially affecting time-sensitive applications.
  • Limited Migration Tools
    Although Amazon provides data migration services, some users find the migration tools and processes cumbersome, especially when moving large volumes of data from other storage solutions.
  • Vendor Lock-In
    Relying heavily on Amazon S3 and other AWS services can make it difficult to switch providers or develop a multi-cloud strategy, leading to potential vendor lock-in concerns.

Redis videos

What is Redis? | Why and When to use Redis? | Tech Primers

More videos:

  • Review - Improve your Redis developer experience with RedisInsight, Redis Labs
  • Review - Redis Labs "Why NoSQL is a Safe Bet"
  • Review - Redis Enterprise Overview with Yiftach Shoolman - Redis Labs
  • Review - Redis system design | Distributed cache System design
  • Review - What is Redis and What Does It Do?
  • Review - Redis Sorted Sets Explained

Amazon S3 videos

Introduction to Amazon S3

More videos:

  • Review - Getting Started with Amazon S3 - AWS Online Tech Talks
  • Review - Amazon S3 Review: Amazon S3
  • Review - Amazon S3 Glacier Cloud Storage: What You Need to Know
  • Review - Wasabi vs. Amazon S3

Category Popularity

0-100% (relative to Redis and Amazon S3)
Databases
100 100%
0% 0
Cloud Computing
0 0%
100% 100
NoSQL Databases
100 100%
0% 0
Cloud Hosting
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Redis and Amazon S3

Redis Reviews

Redis Alternative for App Performance | Gigaspaces
Redis offers a RESTful API for accessing data stored within its in-memory technology data structures. This API provides a simple and efficient way to interact with Redis, enabling developers to leverage its capabilities seamlessly in their applications. Developers also need to manage the Redis cached data lifecycle, itโ€™s the application responsibility to store the data &...
Are Free, Open-Source Message Queues Right For You?
A notable challenge with Redis Streams is that it doesn't natively support distributed, horizontal scaling. Also, while Redis is famous for its speed and simplicity, managing and scaling a Redis installation may be complex for some users, particularly for persistent data workloads.
Source: blog.iron.io
Redis vs. KeyDB vs. Dragonfly vs. Skytable | Hacker News
1. Redis: I'll start with Redis which I'd like to call the "original" key/value store (after memcached) because it is the oldest and most widely used of all. Being a long-time follower of Redis, I do know it's single-threaded (and uses io-threads since 6.0) and hence it achieves lesser throughput than the other stores listed above which are multi-threaded, at least to some...
Memcached vs Redis - More Different Than You Would Expect
Remember when I wrote about how Redis was using malloc to assign memory? I lied. While Redis did use malloc at some point, these days Redis actually uses jemalloc. The reason for this is that jemalloc, while having lower peak performance has lower memory fragmentation helping to solve the framented memory issues that Redis experiences.
Top 15 Kafka Alternatives Popular In 2021
Redis is a known, open-source, in-memory data structure store that offers different data structures like lists, strings, hashes, sets, bitmaps, streams, geospatial indexes, etc. It is best utilized as a cache, memory broker, and cache. It has optional durability and inbuilt replication potential. It offers a great deal of availability through Redis Sentinel and Redis Cluster.

Amazon S3 Reviews

Top 7 Firebase Alternatives for App Development in 2024
Amazon S3 is suitable for applications of any size requiring reliable and scalable storage.
Source: signoz.io
Best Top 12 MEGA Alternatives in 2024
Amazon Simple Storage Service (Amazon S3) is an object storage service with industry-leading scalability, data availability, security, and performance. The service is particularly suitable for enterprise users to manage collect, store, protect, back-up, retrieve, and analyze data.
7 Best Amazon S3 Alternatives & Competitors in 2024
Amazon S3 is short for Amazon Simple Storage Service, a popular web hosting company among developers that also offers object storage service.
Top 10 Netlify Alternatives
Amazon S3 is referred to as Amazon Simple Storage Service. It is basically a cloud storage service that was initially released in 2006. This product of Amazon Web Services (AWS) handles big data analytics, provides online data backups and helps in web-scale computing.
What are the alternatives to S3?
Sometimes Amazon S3 might not be serving you as you need and need some features or want to move out of the big 3 providers due to charges of which youโ€™re not using much of their services. There are many alternatives to object storage that you can use at a far lower cost than what you pay on Amazon S3. And storing data traditionally can become complicated sometimes, whereby...
Source: www.w6d.io

Social recommendations and mentions

Redis might be a bit more popular than Amazon S3. We know about 226 links to it since March 2021 and only 203 links to Amazon S3. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Redis mentions (226)

  • Hacktoberfest 2025 with Ghostfolio
    The software is fully written in TypeScript and organized as an Nx workspace, utilizing the latest framework releases. The backend is based on NestJS in combination with PostgreSQL as a database together with Prisma and Redis for caching. The frontend is developed with Angular. - Source: dev.to / 6 days ago
  • Redis Explained: What It Is, Why You Need It, and How to Install It the Easy Way
    Hereโ€™s the thing: sometimes itโ€™s not your databaseโ€™s fault. Whatโ€™s missing is a speed booster in your architecture: Redis. - Source: dev.to / 30 days ago
  • Real-Time Sync Alternatives: Vaultrice vs. localStorage, DIY, Firebase, Pusher
    This is the path of ultimate control. You spin up a Node.js server, add the socket.io library for WebSocket communication, and use a Redis instance to manage connection state and pub/sub messaging across multiple server instances. - Source: dev.to / about 1 month ago
  • Is Your Fraud Screening Process Ignoring Local Patterns?
    Your Database: This is your system's memory. It can be a fast in-memory store like Redis for temporary data (perfect for velocity checks) or a persistent relational database like PostgreSQL for long-term data (like blacklists). - Source: dev.to / about 1 month ago
  • Redis vs. Memcached: How to Choose Your NoSQL Champion
    Redis is also an in-memory system with exceptional performance. But unlike Memcached, Redis is known as a "data structure server." It doesn't just support simple key-value pairs; it offers a rich variety of complex data structures like Lists, Hashes, Sets, and Sorted Sets. - Source: dev.to / about 2 months ago
View more

Amazon S3 mentions (203)

  • Building an Event Resources Website with AWS CDK and Amazon Q Developer CLI
    The Event Resources Website project help me solve common event management challenges. This customizable static website runs on Amazon S3 and Amazon CloudFront, providing a professional platform to share event resources with attendees. - Source: dev.to / 24 days ago
  • Step-by-Step Guide to Extracting Text & Data with AWS Textract
    AWS Textract stands out because of its ability to: Detect printed text and handwriting accurately. Recognize rows, columns, and tables without losing structure. Extract form data through key-value pair identification. Scale across millions of documents with consistency. Integrate smoothly with services like Amazon S3, Lambda, and Comprehend. These features give businesses greater flexibility and reduce... - Source: dev.to / about 1 month ago
  • Videos REST API with API Gateway, Lambda, Aurora Serverless - FakeTube #5
    So far our high level architecture diagram wasn't very impressive - we only used AWS Amplify service to host our web application. Of course there are many services under the hood like Route 53, CloudFront, Certificate Manager, Lambda and S3, but Amplify provides level of abstraction, so that we don't have to think about it. - Source: dev.to / 3 months ago
  • Optimizing AWS Costs for AI Development in 2025
    Storage: Large datasets for training and inference require massive storage. We're talking about S3 buckets, EBS volumes, and sometimes even EFS or FSx for Lustre for high-performance needs. - Source: dev.to / about 2 months ago
  • Building My Cloud Resume: A Step-by-Step Journey
    To host the HTML resume on AWS, I turned to Amazon S3. S3 is an ideal service for hosting static websites, as it provides high availability, scalability, and security. I created a new S3 bucket, configured it to host a website, and uploaded my HTML resume files to this bucket. - Source: dev.to / 4 months ago
View more

What are some alternatives?

When comparing Redis and Amazon S3, you can also consider the following products

MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.

AWS Lambda - Automatic, event-driven compute service

Apache Cassandra - The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.

Amazon AWS - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.

ArangoDB - A distributed open-source database with a flexible data model for documents, graphs, and key-values.

Google Cloud Storage - Google Cloud Storage offers developers and IT organizations durable and highly available object storage.