Choose benchmark test, operation and batch mode:

When one or more of the All filters is selected - only average normalized results are displayed. Please read Running and Results for more details.

Comparison of database storage efficiency - entity objects per MB (higher is better)

 Derby
embedded		H2
embedded		HSQLDB
embedded		SQLite
embedded		DB4O
embedded		ObjectDB
embedded		Derby
server		H2
server		MySQL
server		PostgreSQL
server		ObjectDB
server
DataNucleus4,0192,0403,125 2,648      
EclipseLink3,3272,5653,1245,996       
Hibernate3,4192,0403,1246,026       
OpenJPA3,4262,0403,124        
ObjectDB     6,452     

Disk space efficiency chart - The Y-Axis represents normalized score in logarithmic scale - higher is better:
JPA performance benchmark comparision Hibernate, EclipseLink, OpenJPA, DataNucleus, ObjectDB

Disk space efficiency chart - The Y-Axis represents normalized score in linear scale - higher is better:
JPA performance benchmark comparision Hibernate, EclipseLink, OpenJPA, DataNucleus, ObjectDB

Best and Worst JPA/Database Performer in this comparison

The Most Efficient:

1. ObjectDB embedded100
2. Hibernate with SQLite embedded93.4
3. EclipseLink with SQLite embedded92.9
4. DataNucleus with Derby embedded62.3
5. OpenJPA with Derby embedded53.1
6. Hibernate with Derby embedded53.0
7. EclipseLink with Derby embedded51.6
8. DataNucleus with HSQLDB embedded48.4

The Least Efficient:

9. EclipseLink with HSQLDB embedded48.4
10. Hibernate with HSQLDB embedded48.4
11. OpenJPA with HSQLDB embedded48.4
12. DataNucleus with DB4O embedded41.0
13. EclipseLink with H2 embedded39.8
14. DataNucleus with H2 embedded31.6
15. Hibernate with H2 embedded31.6
16. OpenJPA with H2 embedded31.6