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
7.82 GB
Yes
80.9±est.
Q4
8K default
8.07 GB
Yes
80.9±est.
Q4
32K
9.57 GB
Yes
80.9±est.
FP16
4K
25.15 GB
Yes
22.3±est.
FP16
8K default
25.4 GB
Yes
22.3±est.
FP16
32K
26.9 GB
Yes
22.3±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).