When AMD revealed its Radeon RX 7900 series GPUs early this month, its presentation focused on comparing against its own previous-generation parts. There were some comparisons to the GeForce RTX 4080 in the press materials, but nothing comparing their parts to the GeForce RTX 4090. That may change may have been made very late in the preparations

Source: Hot Hardware – Here’s Why AMD Removed A Radeon RX 7000 Efficiency Comparison To GeForce RTX 4090