Can an Intel Arc B580 run Qwen3.5-9B?
Yes. Qwen3.5-9B needs 9.02GB at Q6_K with llama.cpp and 8K context; the Intel Arc B580 has 12GB of VRAM (11.5GB usable) — grade B, with decode speed in the interactive tier.
Intel Arc B580 · Qwen3.5-9B · Q6_K
✅ Fits — grade B
InteractivebetaHybrid attention — KV computed as full-cache upper bound · ROCm/Vulkan performance not yet calibrated
weights 7.46 GBKV cache 1.07 GBoverhead 0.48 GBpool 11.5 GBneeds 9.02 GB
assumes llama.cpp · batch 1 · 8K context · fp16 KV cache
$249 MSRP · as of 2026-07-08
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Every quant, graded
Intel Arc B580 × Qwen3.5-9B, llama.cpp, 8K context.
| Quant | File size | Fit | Speed tier |
|---|---|---|---|
| Q8_0 | 9.5 GB | Tight · C | interactive · beta |
| Q6_K | 7.5 GB | Fits · B | interactive · beta |
| Q5_K_M | 6.6 GB | Fits · B | interactive · beta |
| Q4_K_M | 5.7 GB | Fits · A+ | interactive · beta |
Qwen3.5-9B on similar hardware
More models on the Intel Arc B580
Verdict computed from published specs and measured GGUF file sizes — see how the math works.