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DBMS > Memgraph vs. Neo4j vs. Realm

System Properties Comparison Memgraph vs. Neo4j vs. Realm

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Editorial information provided by DB-Engines
NameMemgraph  Xexclude from comparisonNeo4j  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offeringsA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelGraph DBMSGraph DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.36
Rank#256  Overall
#20  Graph DBMS
Score57.98
Rank#19  Overall
#1  Graph DBMS
Score9.20
Rank#52  Overall
#9  Document stores
Websitememgraph.comneo4j.comrealm.io
Technical documentationdocs.memgraph.comneo4j.com/­docsrealm.io/­docs
DeveloperMemgraph LtdNeo4j, Inc.Realm, acquired by MongoDB in May 2019
Initial release201720072014
Current release4.3.7, November 2021
License infoCommercial or Open Sourcecommercial infoFree license availableOpen Source infoGPL version3, commercial licenses availableOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageC and C++Java, Scala
Server operating systemsLinuxLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Android
Backend: server-less
iOS
Windows
Data schemeschema-free and schema-optionalschema-free and schema-optionalyes
Typing infopredefined data types such as float or dateyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesyes infopluggable indexing subsystem, by default Apache Luceneyes
SQL infoSupport of SQLnonono
APIs and other access methodsBolt protocol
Cypher query language
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languages.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresyes infoUser defined Procedures and Functionsno inforuns within the applications so server-side scripts are unnecessary
Triggersyes infovia event handleryes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesSharding infodynamic graph partitioningyes using Neo4j Fabricnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlynone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Immediate Consistency
Foreign keys infoReferential integrityyes inforelationships in graphsyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infowith snapshot isolationACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyes infowith periodic snapshot and write-ahead logging (WAL) of changesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realm
User concepts infoAccess controlUsers, roles and permissionsUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)yes
More information provided by the system vendor
MemgraphNeo4jRealm
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
Neo4j delivers graph technology that has been battle tested for performance and scale...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Neo4j is the market leader, graph database category creator, and the most widely...
» more
Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Real-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersOver 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
GPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
Realm database is licensed under the Apache License v2.0.
» more
News

This Week in Neo4j – Jeremy Grignard, Pegasus, FastRP, and a Brand New Node.js Course on GraphAcademy
27 November 2021

Using a Hybrid Technique to Detect Illicit Activities in Shell Companies
22 November 2021

This Week in Neo4j – Health Care & Life Sciences Workshop, Cloudflare Workers, Apache Hop, and More
20 November 2021

From Law Enforcement to Graph Technology: An Unlikely Relationship
19 November 2021

From Graph to Knowledge Graph: Actioning vs. Decisioning Knowledge Graphs
17 November 2021

Related products and services
3rd partiesGraphable delivers expert services for Neo4j and other Graph DBMS.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
MemgraphNeo4jRealm
DB-Engines blog posts

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MySQL, PostgreSQL and Redis are the winners of the March ranking
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Recent citations in the news

Graph database company Memgraph raises $9.34M
5 October 2021, VentureBeat

The untapped potential of HPC + graph computing
30 October 2021, VentureBeat

Graph Database Market with COVID-19 Impact Analysis by Type, Application, Component, Deployment Mode, Vertical and Region - Global Forecast to 2026
10 August 2021, Yahoo Finance

ArangoDB brings yet more money into graph database market with $27.8M round
6 October 2021, SiliconANGLE News

Making Your Own Memory Graph To Detect Memory Issues On iOS
13 April 2021, hackernoon.com

provided by Google News

Graph database company Neo4j launches free fully-managed cloud service
3 November 2021, VentureBeat

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9 November 2021, DevOps.com

Neo4j Delivers 417% ROI in 2021 Total Economic Impact Study
18 November 2021, PRNewswire

Google's Ex-CFO Joins Board of $2bn Database Startup Neo4j
9 November 2021, Business Insider

Neo4j AuraDB Free is Now Available in Asia Pacific
15 November 2021, Data & Storage Asean

provided by Google News

Realm Makes PostgreSQL Real-Time with New Connector
21 March 2017, Database Trends and Applications

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MongoDB Cloud brings developers and edge together
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