Is 20 gb stackable vram (7900xt not xtx)a good budget start to the local llm build if I'm starting now?

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Ok so if my build is around the 7900 xt 20 gb vram. What are my limitations? xtx 24 gb is 30% more costly from where I'm from. My question is if i need more vram , is it not more sensible to stack 2 20gb xts and get 40gb of vram at a much better price. Also is it practical to go with ddr4 Ram components for my build given the premium prices of Ddr5? thanks. submitted by /u/T-Cat130 to r/LocalLLM [link] [comments]