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
483.97 GB
No
—
Q4
8K default
484.45 GB
No
—
Q4
32K
487.31 GB
No
—
FP16
4K
1724.68 GB
No
—
FP16
8K default
1725.15 GB
No
—
FP16
32K
1728.01 GB
No
—
Fits = weights + KV(ctx) + 0.5 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
MacBook Neo A18 Pro 8GB VRAM
Q4
482.5 GB
0.95 GB
0.5 GB
484.45 GB
8 GB
FP16
1723.2 GB
0.95 GB
0.5 GB
1725.15 GB
8 GB
Other GPUs that run DeepSeek-V4-Pro
No catalog GPU fully fits DeepSeek-V4-Pro at Q4/8K — see the model page for offload estimates. model page