Intel Arc B580 for local AI.
With 12 GB it runs K2 Horizon 7B (needs 8.6 GB). 36 models fit.
Memory12 GB
vram
Bandwidth456 GB/s
Higher means faster answers. Same die/bus as Arc Pro B60 (192-bit, 456 GB/s per VRAMGlass B60 page); B580-specific bandwidth not fetched separately.
PriceFrom about $320
As of 2026-10-15. Check before buying.
By memory option.
| Memory | Usable | Models that fit | Best three |
|---|---|---|---|
| 12 GB | 11 GB | 36 | K2 Horizon 7B (8.6 GB), Qwen3.5 9B (9.6 GB), Qwen3.5 4B (5.8 GB) |
Published speeds.
Measured by others, with sources. Not our tests.
No published speed found yet.
Short answers.
- What is the best local LLM for the Intel Arc B580?
- With 12 GB, K2 Horizon 7B (needs 8.6 GB, AA 20.6). 36 of 124 models fit.
- How much does the Intel Arc B580 cost?
- From about $320 (as of 2026-10-15). 2026 prices are inflated by the memory-chip shortage; check before buying.
Specs from VRAMGlass – Arc Pro B60 specs & eBay prices (2026-10-15). Prices are approximate and dated; 2026 prices are inflated by the memory-chip shortage.
# Intel Arc B580 for local AI URL: https://insidethemachine.ai/machines/intel-arc-b580 Type: Intel graphics card. Chip: Battlemage BMG-G21. Memory: vram, options 12 GB. Bandwidth: 456 GB/s (Same die/bus as Arc Pro B60 (192-bit, 456 GB/s per VRAMGlass B60 page); B580-specific bandwidth not fetched separately.). Spec source: https://vramglass.com/gpu/arc-pro-b60 (2026-10-15). Price: from about $320 (2026-10-15, approximate). Status: current. ## Which models fit | memory GB | usable GB | models that fit | best 3 | |---|---|---|---| | 12 | 11 | 36 | K2 Horizon 7B (8.6 GB), Qwen3.5 9B (9.6 GB), Qwen3.5 4B (5.8 GB) | ## Published speeds None found yet. ## Questions **What is the best local LLM for the Intel Arc B580?** With 12 GB, K2 Horizon 7B (needs 8.6 GB, AA 20.6). 36 of 124 models fit. **How much does the Intel Arc B580 cost?** From about $320 (as of 2026-10-15). 2026 prices are inflated by the memory-chip shortage; check before buying.