Amazon DocumentDB vs Microsoft Azure Cosmos DB comparison

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Amazon Web Services (AWS) Logo
1,964 views|1,500 comparisons
100% willing to recommend
Microsoft Logo
5,592 views|2,413 comparisons
91% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between Amazon DocumentDB 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 DocumentDB vs. Microsoft Azure Cosmos DB Report (Updated: May 2024).
772,649 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
"Amazon DocumentDB is a simple solution.""Its speed has had the most significant impact on our projects. For starters, we used it for its flexibility. With DocumentDB, you're not tied to a rigid structure like you are with Aurora or other relational databases. This makes it great for startups.""Migrations are easy using this product."

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"Cosmos DB makes life easier because if we want to use Mongo-type data, or Cassandra-type data, or maybe even just a simple cable storage-type data, then graph, there are multiple ways to do this.""Microsoft Azure Cosmos DB is fast, and its performance is good compared to normal SQL DB.""It is non-SQL and helps to manage and manipulate data from the coding, rather than direct data and complex queries.""Microsoft Azure Cosmos DB is easy to use and implement for application programmers.""From a global distribution perspective, Microsoft Azure Cosmos DB is good and easy to handle.""The biggest benefit it offers is scalability. It's easier to work with concurrency and updating data.""With Azure you can start small and grow as you need.""The solution is highly scalable."

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Cons
"One possible improvement could be a hybrid database solution, where parts of the application leverage a relational database alongside DocumentDB. If a system were heavily relational in nature, a database like PostgreSQL might be a good fit.""The technical support could be improved.""There's a bit of a learning curve at the beginning."

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"It doesn't support all databases.""The integration of the on-premise solution with the cloud can be difficult sometimes.""It is not as easy to use as DynamoDB.""In Microsoft manufacturing, managers really need to know about the product.""It would be ideal if we could integrate Cosmos DB with our Databricks. At this point, that's not possible.""I have to say technical support is not very good as it takes too long. Sometimes it can take them two or three days to respond to your ticket.""The solution cannot join two databases like Oracle or SQL Server.""We should have more freedom to tweak it and make our own queries for non-traditional use-cases."

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Pricing and Cost Advice
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  • "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:Amazon DocumentDB offers us many useful features. It is definitely a solution that an organization in need of comprehensive and effective document management should invest its money into. We are… more »
    Top Answer:Its speed has had the most significant impact on our projects. For starters, we used it for its flexibility. With DocumentDB, you're not tied to a rigid structure like you are with Aurora or other… more »
    Top Answer:The specific DocumentDB implementation we use is on the expensive side. We tend to use it strategically in complex systems, primarily for lookup capabilities. For simpler use cases, we often choose… more »
    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
    4th
    Views
    1,964
    Comparisons
    1,500
    Reviews
    1
    Average Words per Review
    695
    Rating
    9.0
    1st
    Views
    5,592
    Comparisons
    2,413
    Reviews
    30
    Average Words per Review
    512
    Rating
    8.0
    Comparisons
    Also Known As
    Microsoft Azure DocumentDB, MS Azure Cosmos DB
    Learn More
    Overview

    Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB workloads.

    Amazon DocumentDB is designed from the ground-up to give you the performance, scalability, and availability you need when operating mission-critical MongoDB workloads at scale. In Amazon DocumentDB, the storage and compute are decoupled, allowing each to scale independently, and you can increase the read capacity to millions of requests per second by adding up to 15 low latency read replicas in minutes, regardless of the size of your data.

    Amazon DocumentDB is designed for 99.99% availability and replicates six copies of your data across three AWS Availability Zones (AZs). You can use AWS Database Migration Service (DMS) for free (for six months) to easily migrate their on-premises or Amazon Elastic Compute Cloud (EC2) MongoDB databases to Amazon DocumentDB with virtually no downtime.

    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
    Finra, The Washington Post, Freshop
    American Cancer Society, Exxon Mobil, Symantec
    Top Industries
    VISITORS READING REVIEWS
    Computer Software Company19%
    Financial Services Firm17%
    Manufacturing Company9%
    Insurance Company7%
    REVIEWERS
    Computer Software Company25%
    Manufacturing Company15%
    Financial Services Firm15%
    Comms Service Provider10%
    VISITORS READING REVIEWS
    Computer Software Company14%
    Financial Services Firm12%
    Retailer8%
    Manufacturing Company7%
    Company Size
    VISITORS READING REVIEWS
    Small Business20%
    Midsize Enterprise10%
    Large Enterprise70%
    REVIEWERS
    Small Business29%
    Midsize Enterprise21%
    Large Enterprise50%
    VISITORS READING REVIEWS
    Small Business23%
    Midsize Enterprise13%
    Large Enterprise64%
    Buyer's Guide
    Amazon DocumentDB vs. Microsoft Azure Cosmos DB
    May 2024
    Find out what your peers are saying about Amazon DocumentDB vs. Microsoft Azure Cosmos DB and other solutions. Updated: May 2024.
    772,649 professionals have used our research since 2012.

    Amazon DocumentDB is ranked 4th in Managed NoSQL Databases with 3 reviews while Microsoft Azure Cosmos DB is ranked 1st in Managed NoSQL Databases with 38 reviews. Amazon DocumentDB is rated 8.4, while Microsoft Azure Cosmos DB is rated 8.0. The top reviewer of Amazon DocumentDB writes "Offers the ability to replicate data across different instances". 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 DocumentDB is most compared with Amazon DynamoDB, Amazon Neptune, Amazon Timestream and Oracle NoSQL Database Cloud, whereas Microsoft Azure Cosmos DB is most compared with Amazon Neptune, Amazon DynamoDB, Google Cloud Bigtable, Neo4j AuraDB and Amazon Timestream. See our Amazon DocumentDB 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.