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Can V100 16GB PCIe run Qwen3.5-122B-A10B-Heretic-v2-MLX-mixed-3.8bit?

NVIDIA · 16 GB HBM2 · 900 GB/s bandwidth · TheCluster · 19.8B (active 19.8B) · MoE · model ctx up to NoneK

✅ Yes — V100 16GB PCIe (16 GB) can run Qwen3.5-122B-A10B-Heretic-v2-MLX-mixed-3.8bit at Q4 (8K)
VRAM: 15.85 GB needed of 16 GB
Speed: ~28.9 tok/s (estimated)
BB · GoodComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
CUDA
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K13.87 GBYes28.9 ± est.
Q48K default15.85 GBYes28.9 ± est.
Q432K27.73 GBNo27.4 ± est.
FP164K42.58 GBNo3.2 ± est.
FP168K default44.56 GBNo2.9 ± est.
FP1632K56.44 GBNo1.8 ± 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).

VRAM breakdown at 8K context

QuantWeightsKV cacheOverheadTotal neededV100 16GB PCIe VRAM
Q410.89 GB3.96 GB1 GB15.85 GB16 GB
FP1639.6 GB3.96 GB1 GB44.56 GB16 GB

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