VRAM Calculator
Pick your GPU and what you use models for. Every open-weight model the site knows is sized for your card, graded on fit, given a speed estimate from the card's memory bandwidth, and ranked by how well it matches the job. Where community benchmarks exist on the same card, the measured number replaces the estimate.
16 GB VRAM·32 GB system RAM·896 GB/s·176 TFLOPS fp16
Balanced: quality first, then speed.
6 perfect·24 good·1 marginal·12 too tight
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Memory assumes an F16 KV cache at 32k context; Perfect is under 60% of the pool, Good under 85%, Marginal under 98%. Offload paths cap at Good. Speed is the card's memory bandwidth divided by the bytes read per token, at 55% efficiency, as llmfit estimates it; a community median at the same quant replaces it. Click a row for the breakdown.