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Cassandra vs Neo4j Graph Database comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 7, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Cassandra
Ranking in NoSQL Databases
4th
Average Rating
8.0
Reviews Sentiment
6.1
Number of Reviews
24
Ranking in other categories
Vector Databases (15th)
Neo4j Graph Database
Ranking in NoSQL Databases
9th
Average Rating
8.6
Reviews Sentiment
7.7
Number of Reviews
6
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2025, in the NoSQL Databases category, the mindshare of Cassandra is 10.8%, down from 12.8% compared to the previous year. The mindshare of Neo4j Graph Database is 4.5%, up from 3.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
NoSQL Databases
 

Featured Reviews

Himanshu Amodwala - PeerSpot reviewer
Well-equipped to handle a massive influx of data and billions of requests
The use of Cassandra in real-time data analytics has been pivotal for our e-commerce platform. As our platform operates 24/7, providing services to sellers and customers alike, the need for real-time updates is paramount. For instance, when a customer leaves comments or feedback on an image, they anticipate an immediate reflection of these changes on the portal. Similarly, sellers altering product attributes or updating images expect instant visibility of these modifications. Handling large data volumes with Cassandra has been an excellent experience. Despite challenges related to the influx, these were not attributed to Cassandra itself but rather to middle-layer issues. Generally, it demonstrated scalability with workloads, thanks to its horizontal scaling capabilities. We could easily add new nodes to the system as needed, ensuring the platform coped well with increasing loads. The tool's most beneficial feature for scalability is its entire architecture. The absence of a single point of failure or a leader within the ecosystem contributes to its robust scalability. This key aspect influenced our decision to opt for the Cassandra ecosystem. In terms of performance, it demonstrated the ability to handle approximately 1.6 billion requests per day. This was achieved on AWS using EC2 instances, and it was during a period about four to five years ago.
RT
Delivers superior search and data aggregation capabilities
Neo4j helps with advanced search needs, providing good search results and aggregates compared to MongoDB. Aggregating with MongoDB can be difficult; however, with Neo4j, it's easier. Aggregating data, backing up, and creating new clusters are user-friendly from the back end. In DevOps web deployment, we noticed no database issues. We created Docker instances and set them up efficiently, managing databases up to 50 gigabytes.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"I'd rate the solution ten out of ten."
"The most valuable features of Cassandra are its scaling capabilities and its non-SQL nature capabilities."
"Our primary use case for the solution is testing."
"The most valuable features are the counter features and the NoSQL schema. It also has good scalability. You can scale Cassandra to any finite level."
"The most valuable features of Cassandra are the NoSQL database, high performance, and zero-copy streaming."
"I am getting much better performance than relational databases."
"Cassandra offers high availability and fault tolerance, making it suitable for large-scale data storage and real-time processing."
"Its retrieval is similar to an RDBMS, so our team finds it easy to adapt."
"For now, the tool doesn't break down or stop, so it is quite stable."
"Creates the ability to visualize outputs."
"The solution's best feature is how it differs from traditional SQL databases. It's hard to map people and find those near me in SQL, which requires long, complex queries. Neo4j Graph Database makes this easier with simpler queries. It also supports more data types, like JSON, which SQL doesn't."
"Enables people to understand what the business problem is and how the technology helps."
"As a graph database, I am surprised at their performance and response time."
"It is good for search-based tasks, providing solid search results and aggregate results."
 

Cons

"There could be more integration, and it could be more user-friendly."
"Cassandra is very complex to manage. Sometimes, I need to involve a senior DevOps engineer if we encounter a problem."
"It can be difficult to analyze what's going on inside of the database relative to other databases. It can also be difficult to troubleshoot sometimes."
"Cassandra could be more user-friendly like MongoDB."
"Doesn't support a solution that can give aggregation."
"There were challenges with the query language and the development interface. The query language, in particular, could be improved for better optimization. These challenges were encountered while using the Java SDK."
"The disc space is lacking. You need to free it up as you are working."
"The secondary index in Cassandra was a bit problematic and could be improved."
"For me, when the tool was deployed on an on-premises model, it was a little bit difficult the first time."
"There are concerns about performance and whether the tool can necessarily scale to provide the solution."
"The tool could improve by having more resources, especially for Golang, which we use. It lacks good basic libraries and doesn't have an ORM (Object-Relational Mapping) tool, which many NoSQL databases have. We thought about building an ORM for the Neo4j Graph Database but are too busy."
"So far, we have not had any issues and are happy with the product in general."
"The only problem is that the community is quite small."
 

Pricing and Cost Advice

"We are using the open-source version of Cassandra, the solution is free."
"We pay for a license."
"There are licensing fees that must be paid, but I'm not sure if they are paid monthly or yearly."
"Cassandra is a free open source solution, but there is a commercial version available called DataStax Enterprise."
"I use the tool's open-source version."
"I don't have the specific numbers on pricing, but it was fairly priced."
"The solution is open source so that you can use it for free. They also offer an enterprise version with its billing. If your company is earning well, I suggest using the enterprise version. Otherwise, you can deploy it on your own cloud and pay based on usage."
"The tool is not expensive."
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Top Industries

By visitors reading reviews
Financial Services Firm
21%
Computer Software Company
15%
University
5%
Retailer
5%
Computer Software Company
12%
Financial Services Firm
12%
Energy/Utilities Company
12%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Cassandra?
The use of Cassandra in real-time data analytics has been pivotal for our e-commerce platform. As our platform operates 24/7, providing services to sellers and customers alike, the need for real-ti...
What needs improvement with Cassandra?
Cassandra is very complex to manage. Sometimes, I need to involve a senior DevOps engineer if we encounter a problem. About a year ago, we were unable to recover data without help from a senior Dev...
What is your experience regarding pricing and costs for Neo4j?
The solution is open source so that you can use it for free. They also offer an enterprise version with its billing. If your company is earning well, I suggest using the enterprise version. Otherwi...
What needs improvement with Neo4j Graph Database?
The only problem is that the community is quite small.
What is your primary use case for Neo4j Graph Database?
We have used Neo4j in microservices. In one of the microservices, we used Neo4j since we have some requirements similar to MongoDB plus Elasticsearch. It performs both functions. Instead of doing t...
 

Comparisons

 

Overview

 

Sample Customers

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Find out what your peers are saying about Cassandra vs. Neo4j Graph Database and other solutions. Updated: April 2025.
848,716 professionals have used our research since 2012.