Granite 3.1 8B needs ~8.9 GB VRAM. RX 7700 XT 12GB has 12.0 GB. With Q4_K_M quantization, expect ~66 tok/s.
Operating mode
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
65.7 tok/s
TTFT
2948 ms
Safe context
41K
Memory
8.9 GB / 12.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | B | Runs well | 65.7 tok/s | 1608 ms | 41K |
| Coding | B | Runs well | 65.7 tok/s | 2948 ms | 41K |
| Agentic Coding | B | Tight fit | 65.7 tok/s | 4289 ms | 41K |
| Reasoning | B | Runs well | 65.7 tok/s | 3484 ms | 41K |
| RAG | B | Tight fit | 65.7 tok/s | 5361 ms | 41K |
How Granite 3.1 8B (8B params) fits at each quantization level on RX 7700 XT 12GB (12.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.1 GB | Low | C54 |
Q3_K_S | 3 | 3.9 GB | Low | B55 |
NVFP4 | 4 | 4.5 GB | Medium | B56 |
Q4_K_M | 4 | 4.9 GB | Medium | B56 |
Q5_K_M | 5 | 5.8 GB | High | B57 |
Q6_K | 6 | 6.6 GB | High | B57 |
Q8_0Best for your GPU | 8 | 8.6 GB | Very High | B56 |
F16 | 16 | 16.4 GB | Maximum | F0 |
Copy-paste commands to run Granite 3.1 8B on your machine.
Run
ollama run granite3.1-denseYes, RX 7700 XT 12GB can run Granite 3.1 8B with a B grade (Runs well). Expected decode speed: 65.7 tok/s.
Granite 3.1 8B (8B parameters) requires approximately 8.9 GB of memory with Q4_K_M quantization.
The recommended quantization for Granite 3.1 8B is Q4_K_M, which balances quality and memory efficiency.
On RX 7700 XT 12GB, Granite 3.1 8B achieves approximately 65.7 tokens per second decode speed with a time-to-first-token of 2948ms using Q4_K_M quantization.
For coding workloads, Granite 3.1 8B on RX 7700 XT 12GB receives a B grade with 65.7 tok/s and 41K context.
On RX 7700 XT 12GB, Granite 3.1 8B can safely use up to 41K tokens of context. The model's official context limit is 128K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/granite-3.1-8b-on-rx-7700-xt-12gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
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