Maybe not per watt, but unless you already happen to own a 3900 cited by that post, you'd have to buy that as well, which is currently selling for around $1400 used.
3090s are running $1400 now? Wowsers. I thought I was overspending when I bought 6x of them for around $800 a pop.
Might be time to sell, to be honest. It's fun to have that at home, but I can't justify having $10k (with memory, mobo, cpu, etc) sitting in my basement without being fully utilized.
I do have a 3090 Ti on my gaming PC, but even my old M1 MBP (with a mere 32gb of RAM) is quite competent and can run a quantized `Gemma4-26B-A4B` in the background while I do other stuff.
Where you are developing software. Its significantly faster to use google gemini and copy paste code back and forth compared to having gemini edit files for you.
Might be time to sell, to be honest. It's fun to have that at home, but I can't justify having $10k (with memory, mobo, cpu, etc) sitting in my basement without being fully utilized.