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Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.
Fit & speed by quant and context
Quant
Context
VRAM needed
Fits?
tok/s (decode)
Q4
4K
10.04 GB
Yes
64.2±est.
Q4
8K default
10.79 GB
Yes
64.2±est.
Q4
32K
15.29 GB
Tight
64.2±est.
FP16
4K
31.35 GB
No
7.9±est.
FP16
8K default
32.1 GB
No
7.5±est.
FP16
32K
36.6 GB
No
5.8±est.
Fits = weights + KV(ctx) + 1 GB overhead ≤ 95% of VRAM. Measured anchors are context-agnostic; the fit verdict is recomputed per context. A missing tok/s means the model is far beyond this card (offload-only territory).