Written by Jakub Rusinowski · Last updated August 15, 2026
Yes. 1-bit Bonsai 27B needs 3.8 GB at 1-bit (binary, ~1.125 bpw) and the Intel Arc B580 has 12 GB, leaving about 8.2 GB of headroom, at roughly 47 tok/s (estimated) with room for up to 16K of context.
| Model | 1-bit Bonsai 27B |
| Parameters | 27B |
| Quantization | 1-bit (binary, ~1.125 bpw) |
| VRAM needed | 3.8 GB |
| Intel Arc B580 VRAM | 12 GB |
| Verdict | Runs |
| Max context | 16K |
| Estimated speed | ~47 tok/s |
Nothing to change — run it at 1-bit (binary, ~1.125 bpw). If you want more capability, check whether the next size up also fits.
Running 1-bit Bonsai 27B on this card:
At 2 hrs/day, buying (~$249) beats renting at $0.34/hr after about 12 months.
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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 Bonsai 27B sizes on the Intel Arc B580 | VRAM calculator for 1-bit Bonsai 27B | Intel Arc B580 GPU page | Check your hardware