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
46.83 GB
Yes
30.5±est.
Q4
8K default
53.83 GB
Yes
30.5±est.
Q4
32K
95.83 GB
No
60.6±est.
FP16
4K
149.2 GB
No
185.0±measured
FP16
8K default
156.2 GB
No
185.0±measured
FP16
32K
198.2 GB
No
185.0±measured
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).