作者： Jakub Rusinowski · 最后更新： 2026年8月15日
No — IBM Granite 4.0 doesn't fit the NVIDIA GeForce RTX 5070's 12 GB; you're short by ~0.2 GB even at Q2_K. The cheapest card that runs it is the NVIDIA GeForce RTX 4090 (24 GB).
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| VRAM | 12 GB |
| Memory Bandwidth | 672 GB/s |
| Quant | VRAM needed | Fits 12 GB? | Max context |
|---|---|---|---|
| F16 | 65.7 GB | ✗ No | — |
| Q8_0 | 35.7 GB | ✗ No | — |
| Q6_K | 28 GB | ✗ No | — |
| Q5_K_M | 24.4 GB | ✗ No | — |
| Q4_K_M | 21 GB | ✗ No | — |
| Q3_K_M | 15.4 GB | ✗ No | — |
| Q2_K | 12.2 GB | ✗ No | — |
VRAM needed assumes a 4K-token context with an f16 KV cache; “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.
Every IBM Granite 4.0 variant requires more VRAM than the NVIDIA GeForce RTX 5070 provides (12 GB).
NVIDIA GeForce RTX 4090 (24 GB VRAM).
IBM Granite 4.0 needs ~19 GB but this GPU has 12 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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No — IBM Granite 4.0 doesn't fit the NVIDIA GeForce RTX 5070's 12 GB; you're short by ~0.2 GB even at Q2_K. The cheapest card that runs it is the NVIDIA GeForce RTX 4090 (24 GB).
The NVIDIA GeForce RTX 4090 (24 GB VRAM) is the cheapest upgrade that fits it.
← Can I Run It? | IBM Granite 4.0 Model Page | NVIDIA GeForce RTX 5070 GPU Page | Check Your Hardware