Qwen on Intel Battlemage

Can I run Qwen3 14B on an Arc B580?

Not at Q4_K_M — it needs 10.5 GB against 10.5 GB available. Drop to Q4_K_S and it fits, at about 26.5 tokens per second.

Won't fit

10.5 GB of 10.5 GB · 101%
011 GB
Weights 8.5 GB
KV cache 1.3 GB
Runtime overhead 0.8 GB
Over the limit 0.1 GB

Short by 0.1 GB. You can run it with 39 of 40 layers on the Arc B580 and the rest in system RAM, at roughly 22.0 tok/s — usable for batch work, painful for chat. A smaller quantisation or a shorter context is usually the better trade.

Generation22.0tok/s
Prompt processing654tok/s
Max context8Ktokens
KV per 1K tokens0GB

Every quantisation of Qwen3 14B on a Arc B580

Highlighted row is the highest quality that still fits at 8K context.

QuantisationbpwWeights TotalVerdictMax ctxtok/s
FP16 / BF16 16.00 27.5 GB 29.6 GB Won't fit 1.55
INT8 / W8A8 8.50 14.3 GB 16.4 GB Won't fit 4.30
Q8_0 (GGUF) 8.50 14.3 GB 16.4 GB Won't fit 4.30
FP8 (E4M3) 8.00 13.8 GB 15.8 GB Won't fit 4.65
Q6_K 6.56 11.3 GB 13.4 GB Won't fit 7.22
Q5_K_M 5.67 9.7 GB 11.8 GB Won't fit 11.6
Q5_K_S 5.52 9.5 GB 11.6 GB Won't fit 896 12.9
AWQ 4-bit 4.25 9.4 GB 11.5 GB Won't fit 1K 13.0
GPTQ 4-bit 4.25 9.4 GB 11.5 GB Won't fit 1K 13.0
MXFP4 4.25 9.4 GB 11.5 GB Won't fit 1K 13.0
Q4_K_M 4.85 8.5 GB 10.5 GB Won't fit 8K 22.0
Q4_K_S 4.58 8.0 GB 10.1 GB Fits, but tight 10K 26.5
Q4_0 4.55 8.0 GB 10.1 GB Fits, but tight 11K 26.7
IQ4_XS 4.25 7.5 GB 9.6 GB Fits, but tight 13K 28.2
Q3_K_M 3.91 7.0 GB 9.1 GB Runs comfortably 17K 30.1
IQ3_M 3.70 6.7 GB 8.8 GB Runs comfortably 19K 31.4
IQ3_XXS 3.06 5.7 GB 7.8 GB Runs comfortably 25K 36.3
Q2_K 2.63 5.0 GB 7.1 GB Runs comfortably 29K 40.5
IQ2_XXS 2.06 4.2 GB 6.3 GB Runs comfortably 35K 47.8
IQ1_M 1.75 3.7 GB 5.8 GB Runs comfortably 38K 53.0

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