4x RTX 3090 vs one RTX 5090: Malaysian builder weighs VRAM against newer architecture
whity2773 · reddit · 2026-11-10
A Malaysian founder running 4x RTX 3090 (two pairs NVLinked) for local coding, image and video generation — the R&D base for an AI-tools startup in his country — is weighing a trade: 2x 3090 for a 4090, or all 4 for a 5090, gaining newer architecture but far less total VRAM. With 3090s scarce and prices soaring (NVLinks nearly unobtainable), he asks whether to keep 24GB×4 or move to a newer single card, aiming eventually for an RTX 6000 Pro and the 5x-priced MSI XpertStation WS300.
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