Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 5bit speed on RTX 3090 and quantization-level VRAM fit.
RTX 3090 meets the minimum VRAM requirement for Q4 inference of Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 5bit. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 3090 can run Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 5bit with Q4 quantization. At approximately 185 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 9GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 15GB | 24GB | 185.02 tok/s | ✅ Fits comfortably |
| Q8 | 30GB | 24GB | 129.52 tok/s | ❌ Not recommended |
| FP16 | 60GB | 24GB | 70.31 tok/s | ❌ Not recommended |
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RTX 3090 can run Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 5bit at Q4 with an estimated 185 tok/s.
Q4 inference is estimated to need about 15GB VRAM on this page, while RTX 3090 has 24GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.