Qwen 3 8B needs ~9.6 GB VRAM. RX 9070 16GB has 16.0 GB. With Q4_K_M quantization, expect ~81 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
87.4 tok/s
TTFT
2215 ms
Safe context
63K
Memory
9.6 GB / 16.0 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 | S | Runs well | 87.4 tok/s | 1208 ms | 63K |
| Coding | S | Runs well | 81.3 tok/s | 2381 ms | 63K |
| Agentic Coding | S | Runs well | 87.4 tok/s | 3222 ms | 63K |
| Reasoning | S | Runs well | 87.4 tok/s | 2618 ms | 63K |
| RAG | S | Runs well | 87.4 tok/s | 4027 ms | 63K |
How Qwen 3 8B (8B params) fits at each quantization level on RX 9070 16GB (16.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.1 GB | Low | S87 |
Q3_K_S | 3 | 3.9 GB | Low | S88 |
NVFP4 | 4 |
Copy-paste commands to run Qwen 3 8B on your machine.
Run
ollama run qwen3:8bYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 9B | S | 77.7 tok/s | ||
| 14B | S | 50.2 tok/s |
Yes, RX 9070 16GB can run Qwen 3 8B with a S grade (Runs well). Expected decode speed: 81.3 tok/s.
Qwen 3 8B (8B parameters) requires approximately 9.6 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen 3 8B is Q4_K_M, which balances quality and memory efficiency.
On RX 9070 16GB, Qwen 3 8B achieves approximately 81.3 tokens per second decode speed with a time-to-first-token of 2381ms using Q4_K_M quantization.
For coding workloads, Qwen 3 8B on RX 9070 16GB receives a S grade with 81.3 tok/s and 63K context.
On RX 9070 16GB, Qwen 3 8B can safely use up to 63K tokens of context. The model's official context limit is 131K, 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/qwen-3-8b-on-rx-9070-16gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
| Medium |
| S88 |
Q4_K_M | 4 | 4.9 GB | Medium | S89 |
Q5_K_M | 5 | 5.8 GB | High | S89 |
Q6_K | 6 | 6.6 GB | High | S90 |
Q8_0Best for your GPU | 8 | 8.6 GB | Very High | S91 |
F16 | 16 | 16.4 GB | Maximum | F0 |