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Can RTX 5090 32GB run Qwen3.6-35B-A3B-FP8?

NVIDIA · 32 GB GDDR7 · 1792 GB/s bandwidth · Qwen · 36.0B (active 36.0B) · MoE · model ctx up to NoneK

✅ Yes — RTX 5090 32GB (32 GB) can run Qwen3.6-35B-A3B-FP8 at Q4 (8K)
VRAM: 28.0 GB needed of 32 GB
Speed: ~54.0 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)
Q44K24.4 GBYes54.0 ± est.
Q48K default28.0 GBYes54.0 ± est.
Q432K49.6 GBNo37.6 ± est.
FP164K76.6 GBNo4.3 ± est.
FP168K default80.2 GBNo4.0 ± est.
FP1632K101.8 GBNo2.5 ± 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 neededRTX 5090 32GB VRAM
Q419.8 GB7.2 GB1 GB28.0 GB32 GB
FP1672.0 GB7.2 GB1 GB80.2 GB32 GB

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