OracleJRE 1.7 vs OpenJDK 1.7 and OracleJRE 1.6
Now it is the turn of the OracleJRE 1.7 vs OpenJDK 1.7 comparison:
While the OpenJDK implementation is slower across the board, the difference is not very pronounced: we are speaking of less than 10% in the worst case. Still, Oracle implementation remain the fastest one.
How well the Oracle stack evolved from 1.6 to 1.7?
The new 1.7 stack generally is a good improvement over the old one.