Amazon DynamoDB vs Microsoft Azure Cosmos DB comparison

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Amazon Web Services (AWS) Logo
4,143 views|3,585 comparisons
96% willing to recommend
Microsoft Logo
5,755 views|2,528 comparisons
91% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between Amazon DynamoDB and Microsoft Azure Cosmos DB based on real PeerSpot user reviews.

Find out in this report how the two Managed NoSQL Databases solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.
To learn more, read our detailed Amazon DynamoDB vs. Microsoft Azure Cosmos DB Report (Updated: March 2024).
768,857 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"It is a NoSQL product.""The solution is very simple to use.""We directly pass the JSON value to Amazon DynamoDB, which is why Amazon DynamoDB is faster than relational databases.""It has helped us build our product from zero point to the end.""We switched to DynamoDB from a relational database that would've had scale problems and would've cost a lot of money to run at scale. DynamoDB allows us to match expense to usage. When not many people are using and it's a quiet day, there is a low cost. On a busy day, there is a higher cost. We get good performance along the way and less maintenance on the database.""The possibility of managing documents is the most valuable aspect of the solution. I like the fact that I don't have to define the fields.""Storing is a valuable feature. We can store as an entire object rather than the traditional structure of the data.""The most valuable features are the flexibility and the compatibility options without needing to use any additional services or software. It is an independent solution that doesn't need other solutions to operate."

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"I like the scalability. There aren't any constraints for posting in the geolocation. I also like the SQL architecture.""From a global distribution perspective, Microsoft Azure Cosmos DB is good and easy to handle.""Cosmos DB is a pretty stable solution. I would rate it a ten out of ten.""The solution is stable.""It is one of the simpler databases to work with in terms of code management, tracking, and debugging due to its straightforward data storage and retrieval mechanisms.""The graphical representation of data is the most valuable feature of the solution.""The solution is highly scalable.""Microsoft Azure Cosmos DB is easy to use and implement for application programmers."

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Cons
"Sometimes when we query through the UI, it takes a long time to get the results.""Currently, there is no option for a scheduled refresh in this solution. We want the data to be populated into DynamoDB on a timely basis. Currently, you have to go to the DynamoDB table and hit the refresh button to populate it with the new data. If you have connected DynamoDB to a BI application for creating visualizations with charts, graphs, or other things, you would want it to get updated as per the schedule so that you have updated visualizations in your BI application.""The solution has size limitations. It also needs to be more user-friendly.""It would be nice to have some AI features in DynamoDB.""Amazon DynamoDB has a very complex configuration if you go very advanced.""I'd like to see better integration with Cognito. It has the integration, but I'd like to see a little more ease of setup. If you have multiple customers and you want the database to enforce who can see what, you can treat DynamoDB so that each row has permissions. You can set this up, but it's a little more of a science project to make Cognito and DynamoDB work well to do protection of individual rows. So I'd like that to be more wizard or easy to set up.""The solution's backup and restore could be improved to be able to utilize batch operations.""There are some issues like if we missed something or somehow were not able to store the data, then it was quite difficult for us to get back that data."

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"A couple features that would help me in architectural solutions would be customizable architecture or customizable documentation, which both Microsoft Azure or Microsoft Teams can provide.""Its stability can be further improved.""It would be nice to have more options to ingest the data, for example, more file options or more search options. Currently, you can use JSON, but if there were other file types you can use for data ingestion, that would be nice.""I don't think Cosmos DB has improved our organization. People are using it, but I'm not sure it's the best solution. For one, it's costly. Also, there are other issues with it. You cannot get all the records simultaneously. You can only get it in chunks of 1,500 maximum.""The built-in integration of the solution is tight.""We should have more freedom to tweak it and make our own queries for non-traditional use-cases.""The tool's pricing is expensive.""I would like to see Cosmos DB introduce a feature that would convert machine language to human-readable queries."

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Pricing and Cost Advice
  • "Its subscription cost is lower than similar databases offered by other vendors."
  • "You can get committed capacity or transaction-based pricing. If you're doing it on demand, they charge based on whether you're reading or writing. They charge $1.25 for every million rights to the database and 25 cents for every million reads from the database. The first 25 gigabytes of storage are free, and they charge 25 cents a gigabyte a month. So, it's a very different world. It's a quarter a gigabyte a month. You can store a lot of data. They have a separate fee for automated backup, and if you want it globally distributed, where it's distributed around the world, there's a slightly different price."
  • "I would rate the pricing for this solution a four out of five."
  • "It is a little expensive."
  • "On a scale of one to ten, where one is a high price and ten is a low price, I rate the pricing a seven. It is not the cheapest, but it is not the costliest either."
  • "Amazon DynamoDB is cheap."
  • "Compared to a high-end relational database, it's cheap."
  • "For our use case usage, DynamoDB's pricing was okay. However, for high-traffic applications, the pricing structure becomes less attractive."
  • More Amazon DynamoDB Pricing and Cost Advice →

  • "Cosmos should be cheaper. We actually intend to stop using it in the near future because the price is too high."
  • "There is a licensing fee."
  • "For the cloud, we don't pay for the license, but for the on-prem versions, we do pay."
  • "Cosmos DB is a PaaS, so there are no upfront costs for infrastructure. There are only subscriptions you pay for Azure and things like that. But it's a PaaS, so it's a subscription service. The license isn't perpetual, and the cost might seem expensive on its face, but you have to look at the upkeep for infrastructure and what you're saving."
  • "The price of Microsoft Azure Cosmos DB could be a bit lower."
  • "The cost is the biggest limitation of this solution."
  • "Azure is a pay as you go subscription."
  • "The RU's use case determines our license fees."
  • More Microsoft Azure Cosmos DB Pricing and Cost Advice →

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    Questions from the Community
    Top Answer:We directly pass the JSON value to Amazon DynamoDB, which is why Amazon DynamoDB is faster than relational databases.
    Top Answer:The solution's efficiency and performance should be faster than other databases.
    Top Answer:Amazon DynamoDB is used to store data in the form of JSON. I use AWS Lambda to insert data into Amazon DynamoDB.
    Top Answer:The initial setup is simple and straightforward. You can set up a Cosmos DB in a day, even configuring things like availability zones around the world.
    Top Answer:With heavy use, like a large-scale IoT implementation, you could easily hit a quarter of a million dollars a month in Azure charges if Cosmos DB is a big part of it.
    Top Answer:The downside is that Cosmos is new and fairly complex. There's a limited pool of talent who are really good at working with it. Because of that, I've been approached by recruiters quite a bit; they… more »
    Ranking
    2nd
    Views
    4,143
    Comparisons
    3,585
    Reviews
    14
    Average Words per Review
    525
    Rating
    8.6
    1st
    Views
    5,755
    Comparisons
    2,528
    Reviews
    29
    Average Words per Review
    494
    Rating
    8.1
    Comparisons
    Also Known As
    Microsoft Azure DocumentDB, MS Azure Cosmos DB
    Learn More
    Overview

    Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. You can use Amazon DynamoDB to create a database table that can store and retrieve any amount of data, and serve any level of request traffic. Amazon DynamoDB automatically spreads the data and traffic for the table over a sufficient number of servers to handle the request capacity specified by the customer and the amount of data stored, while maintaining consistent and fast performance.

    DocumentDB is a fully managed NoSQL database service built for fast and predictable performance, high availability, elastic scaling, global distribution, and ease of development. As a schema-free NoSQL database, DocumentDB provides rich and familiar SQL query capabilities with consistent low latencies on JSON data - ensuring that 99% of your reads are served under 10 milliseconds and 99% of your writes are served under 15 milliseconds. These unique benefits make DocumentDB a great fit for web, mobile, gaming, and IoT, and many other applications that need seamless scale and global replication.

    Sample Customers
    Samsung, Snapchat, Capital One, Expedia, Tinder, Airbnb, Comcast, Lyft, Redfin, Netflix, Adobe
    American Cancer Society, Exxon Mobil, Symantec
    Top Industries
    REVIEWERS
    Comms Service Provider30%
    Computer Software Company20%
    University10%
    Transportation Company10%
    VISITORS READING REVIEWS
    Computer Software Company19%
    Financial Services Firm16%
    Comms Service Provider6%
    Manufacturing Company6%
    REVIEWERS
    Computer Software Company25%
    Financial Services Firm15%
    Manufacturing Company15%
    Comms Service Provider10%
    VISITORS READING REVIEWS
    Computer Software Company14%
    Financial Services Firm12%
    Retailer8%
    Manufacturing Company7%
    Company Size
    REVIEWERS
    Small Business54%
    Midsize Enterprise4%
    Large Enterprise43%
    VISITORS READING REVIEWS
    Small Business23%
    Midsize Enterprise11%
    Large Enterprise66%
    REVIEWERS
    Small Business26%
    Midsize Enterprise21%
    Large Enterprise53%
    VISITORS READING REVIEWS
    Small Business22%
    Midsize Enterprise13%
    Large Enterprise65%
    Buyer's Guide
    Amazon DynamoDB vs. Microsoft Azure Cosmos DB
    March 2024
    Find out what your peers are saying about Amazon DynamoDB vs. Microsoft Azure Cosmos DB and other solutions. Updated: March 2024.
    768,857 professionals have used our research since 2012.

    Amazon DynamoDB is ranked 2nd in Managed NoSQL Databases with 28 reviews while Microsoft Azure Cosmos DB is ranked 1st in Managed NoSQL Databases with 38 reviews. Amazon DynamoDB is rated 8.4, while Microsoft Azure Cosmos DB is rated 8.0. The top reviewer of Amazon DynamoDB writes "A 10/10 solution with effective transaction-based pricing and stable millisecond response time". On the other hand, the top reviewer of Microsoft Azure Cosmos DB writes "Removes bottlenecks related to databases in our application and works quickly because of reference keys". Amazon DynamoDB is most compared with Amazon DocumentDB, Google Cloud Bigtable, Amazon Neptune, Amazon Timestream and Oracle NoSQL Database Cloud, whereas Microsoft Azure Cosmos DB is most compared with Amazon Neptune, Google Cloud Bigtable, Amazon DocumentDB, Neo4j AuraDB and Amazon Timestream. See our Amazon DynamoDB vs. Microsoft Azure Cosmos DB report.

    See our list of best Managed NoSQL Databases vendors.

    We monitor all Managed NoSQL Databases reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.