Differences between QTP & Winrunner

1. QTP is object bases Scripting ( VBS) where Winrunner is TSL (C based) Scripting.
2. QTP supports ".NET" application Automation not available in Winrunner
3. QTP has "Active Screen" support which captures the application, not available in WR.
4. QTP has "Data Table" to store script values, variables which WR does not have.
5. QTP does not support in Firefox browser.