Amazon DocumentDB vs Microsoft Azure Cosmos DB comparison

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Amazon Web Services (AWS) Logo
1,894 views|1,445 comparisons
100% willing to recommend
Microsoft Logo
5,375 views|2,251 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.""Migrations are easy using this product.""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."

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"It is a cloud-based solution that is easy to deploy, easy to access, and provides users with more features compared to other clouds like AWS and GCP.""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.""It is a scalable product.""The most valuable feature of the solution is that it is scalable with multiple master files.""Microsoft Azure Cosmos DB is fast, and its performance is good compared to normal SQL DB.""What I like about Microsoft Azure Cosmos DB is that it's easy to do data ingestion and use the data in different applications. If you talk about business intelligence such as the Power BI tool, it's easy to connect because both are Microsoft products. With Microsoft Azure Cosmos DB, it's easy to connect and do data ingestion.""rate Azure support nine out of 10. They respond quickly and will help you manage costs. However, they mainly give you an overview of the issue, so they'll never have an in-depth idea of what you're doing. They aren't the owners of our product, so they don't know much about it, but they can ask you generally: What are you doing? Are you doing too many updates? How can we reduce the cost?"

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Cons
"There's a bit of a learning curve at the beginning.""The technical support could be improved.""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."

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"It's still new, and good training resources are harder to find. Even the most recent books on Cosmos DB are several years old, which is ancient in IT terms.""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.""There is room for improvement in terms of stability.""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.""It should offer a simple user interface for querying Microsoft Azure Cosmos DB.""I hope they improve the service. Before last year, improvements on Cosmos DB were very slow.""The query is a little complex. SQL server should have more options. But the query should be better.""It is not as easy to use as DynamoDB."

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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
    1,894
    Comparisons
    1,445
    Reviews
    2
    Average Words per Review
    492
    Rating
    8.5
    1st
    Views
    5,375
    Comparisons
    2,251
    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, Neo4j AuraDB, Google Cloud Bigtable and Amazon Timestream. See our Amazon DocumentDB vs. Microsoft Azure Cosmos DB report.

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    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.