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
42.24 GB
No
12.9±est.
Q4
8K default
43.49 GB
No
12.2±est.
Q4
32K
50.99 GB
No
8.9±est.
FP16
4K
147.65 GB
No
—
FP16
8K default
148.9 GB
No
—
FP16
32K
156.4 GB
No
—
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).