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Can Arc B580 12GB run Qwen2.5-7B-Instruct?

Intel · 12 GB GDDR6 · 456 GB/s bandwidth · Alibaba · 7.6B · model ctx up to 128K

✅ Yes — Arc B580 12GB (12 GB) can run Qwen2.5-7B-Instruct at Q4 (8K)
VRAM: 6.7 GB needed of 12 GB
Speed: ~38.2 tok/s (estimated)
AA · GreatComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
ONEAPI
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K5.94 GBYes38.2 ± est.
Q48K default6.7 GBYes38.2 ± est.
Q432K11.26 GBYes38.2 ± est.
FP164K16.96 GBNo15.0 ± est.
FP168K default17.72 GBNo13.7 ± est.
FP1632K22.28 GBNo8.7 ± 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 neededArc B580 12GB VRAM
Q44.18 GB1.52 GB1 GB6.7 GB12 GB
FP1615.2 GB1.52 GB1 GB17.72 GB12 GB

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