S.no OrientDB Neo4j
1. OrientDB is the multi-model database management system Neo4j is an open source graph database.
2. OrientDB is written in Java Neo4j is written in Java and Scala
3. Replication Method:- Causal Clustering using the Raft protocol info Replication Method:- master - master

This is one of the most asked OrientDB interview questions.

BY Best Interview Question ON 10 Apr 2019