24 GB 7900 XTX user here. You can do a ton with less than 32 GB. It definitely drops off quick, but 32 GB is not the floor for useful AI.
Realistically I think 16GB is the lower limit and you can find those cheap enough still. Then you run llama.cpp to bond your cards and it's off to the races.
24 GB 3090 user here. What is the best model for coding you have used? Qwen3.8 27B?
Realistically I think 16GB is the lower limit and you can find those cheap enough still. Then you run llama.cpp to bond your cards and it's off to the races.