作者： Jakub Rusinowski · 最后更新： 2026年7月12日
Yes, comfortably — you'll have ~33.1 GB of headroom running Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) (30.9375 GB, ~7 tok/s (est.)).
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| VRAM | 64 GB unified memory |
| Memory Bandwidth | 400 GB/s |
| Quant | VRAM needed | Fits 64 GB? | Max context |
|---|---|---|---|
| F16 | 61.7 GB | ✓ Yes | 8K |
| Q8_0 | 33.6 GB | ✓ Yes | 128K |
| Q6_K | 26.3 GB | ✓ Yes | 128K |
| Q5_K_M | 23 GB | ✓ Yes | 128K |
| 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 64 GB of unified memory. 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 · ~7 tok/s (est.) |
| Granite 4.1 8B | Q4_K_M · 4.83 GB · ~36 tok/s (est.) |
| Granite 4.1 3B | Q4_K_M · 1.81125 GB · ~76 tok/s (est.) |
At 2 hrs/day, buying (~$2,499) beats renting at $0.55/hr after about 6.3 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 ~33.1 GB of headroom running Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) (30.9375 GB, ~7 tok/s (est.)).
Granite 4.1 30B at FP8 (Q4 est. ~12-15GB, unconfirmed) quantization (30.9375 GB), estimated ~7 tokens/sec.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| Granite 4.1 30B | 30.9 GB | Runs | ~7 tok/s |
| Granite 4.1 8B | 4.8 GB | Runs | ~36 tok/s |
| Granite 4.1 3B | 1.8 GB | Runs | ~76 tok/s |
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