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
62.98 GB
Yes
177.7±est.
Q4
8K default
64.18 GB
Yes
177.7±est.
Q4
32K
71.38 GB
Yes
177.7±est.
FP16
4K
223.2 GB
No
17.9±est.
FP16
8K default
224.4 GB
No
17.7±est.
FP16
32K
231.6 GB
No
16.6±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).