Autor: Jakub Rusinowski · Ostatnia aktualizacja: 12 lipca 2026
Yes, comfortably — you'll have ~7.2 GB of headroom running Granite 4.1 8B at Q4_K_M (4.8 GB, ~85 tok/s (est.)) with room for up to 32K context.
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| VRAM | 12 GB |
| Memory Bandwidth | 672 GB/s |
| Quant | VRAM needed | Fits 12 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 17.4 GB | ✗ No | — | — |
| Q8_0 | 9.9 GB | ✓ Yes | 16K | — |
| Q6_K | 7.9 GB | ✓ Yes | 32K | — |
| Q5_K_M | 7 GB | ✓ Yes | 32K | — |
| Q4_K_M | 6.2 GB | ✓ Yes | 32K | — |
| Q3_K_M | 4.8 GB | ✓ Yes | 32K | — |
| Q2_K | 4 GB | ✓ Yes | 32K | — |
Assumes a 4K-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 Q4_K_M on the NVIDIA GeForce RTX 5070: 8K 6.8 GB · 32K 10.2 GB · 128K 23.9 GB ✗. Past 128K it no longer fits 12 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Granite 4.1 8B on 16 GB of system RAM, CPU only: runs.
| Granite 4.1 8B | Q4_K_M · 4.8 GB · ~85 tok/s (est.) |
| Granite 4.1 3B | Q4_K_M · 1.8 GB · ~163 tok/s (est.) |
At 2 hrs/day, buying (~$549) beats renting at $0.34/hr after about 2.2 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 ~7.2 GB of headroom running Granite 4.1 8B at Q4_K_M (4.8 GB, ~85 tok/s (est.)) with room for up to 32K context.
Granite 4.1 8B at Q4_K_M quantization (4.8 GB), estimated ~85 tokens/sec, up to 32K context.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| Granite 4.1 30B | 30.9 GB | Does not fit | — |
| Granite 4.1 8B | 4.8 GB | Runs | ~85 tok/s |
| Granite 4.1 3B | 1.8 GB | Runs | ~163 tok/s |
← Can I Run It? | IBM Granite 4.1 Model Page | NVIDIA GeForce RTX 5070 GPU Page | Check Your Hardware