- %25 - %50 faster than ASMX
- %25 faster than .NET Remoting
- %100 faster - %25 slower than .NET Enterprise Services (DCOM)
Also in his summary, Clemens remarks (italics his):
For WSE 2.0/3.0 implementations, migrating them to WCF will obviously provide the most significant performance gains of almost 4x.
The performance differences alone make WCF a technology worth exploring.