Despite the downgrade, the RTX 4090 is still rumored to offer twice the performance of the RTX 3090, which is hard to believe.
It certainly wouldn’t want to cannibalize its own just-launched GPUs, whereas Nvidia might be less concerned about that.
Nvidia is rumored to be upping the L2 cache significantly for Ada Lovelace, which will have a big impact.
Noted GPU rumor monger @kopite7kimi has released a “summary” of the AD102 die’s rumored specs, and they’re decidedly more sane than what they previously reported.