IPC up to 20% better:
Kaveri's die shot from the presentation(tried to fix perspective):
Some crude module comparison with "leaked" module of unknown AMD core from 5 months back:
Image of Kaveri's module from tech day(bad quality due to low res. of orig. imae):
Leaked module of unknown core:
Now two overlapped with the 2nd image set with high opacity:
Seems it doesn't match so well. It might be that the unknown module shot is Excavator module(?).