Well I'm totally impressed.
I just ran some quick 3DMark tests and not only is this GPU staying very cool and quiet, its definitely meeting expectations.
Port Royal 7900XTX Score: 15962
Previous 6900xt Port Royal: 9998
Time Spy 7900XTX: 25908 (GPU 29037)
6900XT: 9898 (GPU 9984)
GPU 1 UTIL GPU 1 SCLK GPU 1 MCLK GPU 1 TEMP GPU 1 Hotspot GPU 1 BRD PWR GPU 1 FAN GPU VRAM 1 UTIL
95.55 2569.34 2420.5 60.84 80.26 385.92 1388.42 3590.24

Port Royal 7900XTX Score: 15962
Previous 6900xt Port Royal: 9998
Time Spy 7900XTX: 25908 (GPU 29037)
6900XT: 9898 (GPU 9984)
GPU 1 UTIL GPU 1 SCLK GPU 1 MCLK GPU 1 TEMP GPU 1 Hotspot GPU 1 BRD PWR GPU 1 FAN GPU VRAM 1 UTIL
95.55 2569.34 2420.5 60.84 80.26 385.92 1388.42 3590.24