The RTX 5090, Nvidia's flagship GPU, is rumored to require 600W of power.
According to a well-known hardware leaker, the RTX 5090 will feature 32GB of GDDR7 memory and a 512-bit bus.
In comparison, the RTX 5080 will require 400W of power and come with 16GB of GDDR7 memory on a 256-bit bus.
Nvidia has not confirmed the existence of the RTX 5090 and RTX 5080, but the next-gen Blackwell architecture they will use has already been introduced in the data center.