Is 1000W not enough for 5090 + 14700k build?

I have a feeling that I’m not going to be loved for going with an Intel CPU build.

Anyway, my current setup is:

14700k (3 fan AIO cooled), 64 GB RAM (Corsair Vengeance DDR5 6000mhz), NZXT C1000 Gold, 8TB storage between 3 M.2 SSDs, A nice MOBO (ASUS, I forget), 1660 GPU*, 1440p monitor,

*Long story. I had a 4070 Super but returned it because the performance wasn’t quite there and I later decided that I really want to go 4k and I knew it would struggle.

I’m planning to pickup a 5090 on or slightly after release and I’m worried that my PSU might not be enough?

It looks like the 14700k pulls 397w at peak:

https://www.anandtech.com/show/21084/intel-core-i9-14900k-core-i7-14700k-and-core-i5-14600k-review-raptor-lake-refreshed/6

And the 5090 can pull 580 at peak:

https://www.phoronix.com/review/nvidia-geforce-rtx5090-linux/8#:~:text=With%20these%20GPU%20compute%20benchmarks,to%20the%20575%20Watt%20rating.

This means during peak usage, I have ~20 watts of power capacity available, which probably isn’t enough to power all accessories and fans + CPU cooling.

I don’t really know what I’m doing, but I don’t want to neuter performance by bottlenecking my hardware.

Does this mean I should move to a 1200w+ unit?