Autor: Jakub Rusinowski · Ostatnia aktualizacja: 15 sierpnia 2026
Not at MXFP4 — that needs 10.6 GB and the Intel Arc B570 has 10 GB. Drop to Q2_K and it fits in 7.8 GB, with up to 32K of context.
| Model | GPT-OSS 20B |
| Parameters | 20B |
| Quantization | MXFP4 |
| VRAM needed | 10.6 GB |
| Intel Arc B570 VRAM | 10 GB |
| Verdict | Runs at a lower quant |
| Fits at | Q2_K (7.8 GB) |
| Max context | 32K |
Quantize to Q2_K. That is the cheapest fix — it costs some quality but no money.
Running GPT-OSS 20B on this card:
GPT-OSS 20B needs ~11 GB but this GPU has 10 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
All GPT-OSS sizes on the Intel Arc B570 | VRAM calculator for GPT-OSS 20B | Intel Arc B570 GPU page | Check your hardware