Nvidia’s flagship RTX 5090 comes with a maximum TGP (Total Graphics Power) of 575W, while the RTX 5080 is listed to draw up ...
An Nvidia GeForce RTX 4090, for instance, has a recommended PSU size of 850W. The GPU itself has a TDP of 450W and it should pull around 500W from the power supply. Add another 200W for the CPU ...