Can I Run Granite 4.1 30B on Intel Arc B580?
Written by Jakub Rusinowski · Last updated July 12, 2026
No. Granite 4.1 30B needs 33.5 GB at 8K context (30.9 GB weights + 2.6 GB KV cache/overhead) at FP8 (Q4 est. ~12-15GB, unconfirmed) and the Intel Arc B580 has only 12 GB. No quantization we publish closes a gap that size.
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The numbers
| Model | Granite 4.1 30B |
| Parameters | 30B |
| Quantization | FP8 (Q4 est. ~12-15GB, unconfirmed) |
| VRAM needed (8K context) | 33.5 GB |
| Intel Arc B580 VRAM | 12 GB |
| Verdict | Does not fit |
Granite 4.1 30B on the Intel Arc B580: VRAM by quantization
| Quant | VRAM needed | Fits 12 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 62.6 GB | ✗ No | — | — |
| Q8_0 | 34.5 GB | ✗ No | — | Build for this |
| Q6_K | 27.2 GB | ✗ No | — | — |
| Q5_K_M | 23.8 GB | ✗ No | — | Build for this |
| Q4_K_M | 20.7 GB | ✗ No | — | Build for this |
| Q3_K_M | 15.4 GB | ✗ No | — | — |
| Q2_K | 12.4 GB | ✗ No | — | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 12 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At FP8 (Q4 est. ~12-15GB, unconfirmed) on the Intel Arc B580: 8K 33.5 GB ✗ · 32K 38.9 GB ✗ · 128K 60.2 GB ✗. Past 8K it no longer fits 12 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
What to do next
Either step down to a smaller size in this family, or move to a NVIDIA RTX 6000 Ada Generation (48 GB), the card with the least memory we track that holds it.
No compatible GPU? Granite 4.1 30B on 32 GB of system RAM, CPU only: runs comfortably.
Cheapest card we track with enough VRAM for Granite 4.1 30B:
Granite 4.1 30B needs ~34 GB but this GPU has 12 GB. Rent a A100 (40 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.
Other IBM Granite 4.1 sizes on the Intel Arc B580
- Granite 4.1 8B — runs (6.8 GB)
- Granite 4.1 3B — runs (3.5 GB)
Granite 4.1 30B on nearby hardware
- Intel Arc B570 (10 GB) — does not fit
- NVIDIA RTX 6000 Ada Generation (48 GB) — runs
All IBM Granite 4.1 sizes on the Intel Arc B580 | Granite 4.1 30B model page | Intel Arc B580 GPU page | VRAM calculator | Check your hardware