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
62.65 GB
No
25.1±est.
Q4
8K default
64.35 GB
No
23.8±est.
Q4
32K
74.55 GB
No
17.7±est.
FP16
4K
220.7 GB
No
—
FP16
8K default
222.4 GB
No
—
FP16
32K
232.6 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).
VRAM breakdown at 8K context
Quant
Weights
KV cache
Overhead
Total needed
V100 32GB SXM2 VRAM
Q4
59.95 GB
3.4 GB
1 GB
64.35 GB
32 GB
FP16
218.0 GB
3.4 GB
1 GB
222.4 GB
32 GB
Other GPUs that run Llama-4-Scout-17B-16E-Instruct