VRAM for local LLMs: why memory bandwidth sets your tokens per second
This story is from 2026-09-30. It is preserved in the archive; the latest stories are on the live feed.
How much VRAM for an LLM is the wrong first question. The better one is how fast that VRAM is, because a local model generating text reads its entire set of weights from memory for every single token. That makes memory bandwidth, in gigabytes per second, the number that decides whether your coding…
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- 2026-09-30 07:46 · DEV Community — AI
VRAM for local LLMs: why memory bandwidth sets your tokens per second