作者： Jakub Rusinowski · 最后更新： 2026年7月21日
Yes, comfortably — you'll have ~17.1 GB of headroom running Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) (30.9375 GB, ~26 tok/s (est.)).
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| VRAM | 48 GB |
| Memory Bandwidth | 960 GB/s |
| Quant | VRAM needed | Fits 48 GB? | Max context |
|---|---|---|---|
| F16 | 61.7 GB | ✗ No | — |
| Q8_0 | 33.6 GB | ✓ Yes | 64K |
| Q6_K | 26.3 GB | ✓ Yes | 64K |
| Q5_K_M | 23 GB | ✓ Yes | 64K |
| Q4_K_M | 19.8 GB | ✓ Yes | 128K |
| Q3_K_M | 14.5 GB | ✓ Yes | 128K |
| Q2_K | 11.6 GB | ✓ Yes | 128K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 48 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
| Granite 4.1 30B | FP8 (Q4 est. ~12-15GB, unconfirmed) · 30.9375 GB · ~26 tok/s (est.) |
| Granite 4.1 8B | Q4_K_M · 4.83 GB · ~120 tok/s (est.) |
| Granite 4.1 3B | Q4_K_M · 1.81125 GB · ~210 tok/s (est.) |
At 2 hrs/day, buying (~$6,799) beats renting at $0.55/hr after about 17.2 years.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Yes, comfortably — you'll have ~17.1 GB of headroom running Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) (30.9375 GB, ~26 tok/s (est.)).
Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) quantization (30.9375 GB), estimated ~26 tokens/sec.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| Granite 4.1 30B | 30.9 GB | Runs | ~26 tok/s |
| Granite 4.1 8B | 4.8 GB | Runs | ~120 tok/s |
| Granite 4.1 3B | 1.8 GB | Runs | ~210 tok/s |
← Can I Run It? | IBM Granite 4.1 Model Page | NVIDIA RTX 6000 Ada Generation GPU Page | Check Your Hardware