Gemma 4 31B needs ~39.1 GB VRAM. Quadro RTX 8000 48GB has 48.0 GB. With Q4_K_M quantization, expect ~20 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
19.7 tok/s
TTFT
9826 ms
Safe context
26K
Memory
39.1 GB / 48.0 GB
This setup is broadly balanced for this model.
Older PCIe generation
PCIe 3.0 is workable, but it compounds the penalty when you offload heavily or try to scale across multiple cards.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 19.7 tok/s | 5360 ms | 26K |
| Coding | S | Runs well | 19.7 tok/s | 9826 ms | 26K |
| Agentic Coding | A | Very compromised (needs ~2 GB host RAM) | 11.2 tok/s | 25094 ms | 26K |
| Reasoning | S | Runs well | 19.7 tok/s | 11613 ms | 26K |
| RAG | A | Very compromised (needs ~2 GB host RAM) | 11.2 tok/s | 31368 ms | 26K |
How Gemma 4 31B (30.700000762939453B params) fits at each quantization level on Quadro RTX 8000 48GB (48.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 12.0 GB | Low | A80 |
Q3_K_S | 3 | 15.0 GB | Low | A81 |
NVFP4 | 4 | 17.2 GB | Medium | A82 |
Q4_K_M | 4 | 18.7 GB | Medium | A83 |
Q5_K_M | 5 | 22.1 GB | High | A84 |
Q6_K | 6 | 25.2 GB | High | A85 |
Q8_0Best for your GPU | 8 | 32.8 GB | Very High | A85 |
F16 | 16 | 62.9 GB | Maximum | F0 |
Copy-paste commands to run Gemma 4 31B on your machine.
Run
ollama run gemma4:31bYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 35B | S | 58.9 tok/s | ||
| 35B | S | 64.1 tok/s | ||
| 32B | S | 25.8 tok/s | ||
| 72B | A | 6.3 tok/s | ||
| 80B | A | 16.3 tok/s |
Yes, Quadro RTX 8000 48GB can run Gemma 4 31B with a S grade (Runs well). Expected decode speed: 19.7 tok/s.
Gemma 4 31B (30.700000762939453B parameters) requires approximately 39.1 GB of memory with Q4_K_M quantization.
The recommended quantization for Gemma 4 31B is Q4_K_M, which balances quality and memory efficiency.
On Quadro RTX 8000 48GB, Gemma 4 31B achieves approximately 19.7 tokens per second decode speed with a time-to-first-token of 9826ms using Q4_K_M quantization.
For coding workloads, Gemma 4 31B on Quadro RTX 8000 48GB receives a S grade with 19.7 tok/s and 26K context.
On Quadro RTX 8000 48GB, Gemma 4 31B can safely use up to 26K tokens of context. The model's official context limit is 256K, 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/gemma-4-31b-on-quadro-rtx-8000-48gb" 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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