The problematic A0 silicon revision was apparently the reason why AMD delayed the launch of the flagship RDNA 3 GPUs by almost a year. Despite this, AMD still launched the RX 7900 cards with this stepping that is exhibiting high GPU clock variability, power draw issues and disabled shader prefetch instructions.
Reports from sources close to Moore s Law Is Dead suggest that AMD s driver team has been tasked with working on quick fixes for some of the bugs plaguing the 7900 XTX models. Hopefully the new drivers can fix the power draw issues and maybe even improve the underwhelming performance a little.
We test the new AMD RDNA 3-based Radeon RX 7900 XTX and Radeon RX 7900 XT and evaluate their performance, power consumption, and emissions against competing Nvidia Ada RTX 40 GPUs