Lmstudio Community Deepseek R1 0528 Qwen3 8B Mlx 4bit speed on RTX 4090 and quantization-level VRAM fit.
RTX 4090 meets the minimum VRAM requirement for Q4 inference of Lmstudio Community Deepseek R1 0528 Qwen3 8B Mlx 4bit. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 4090 can run Lmstudio Community Deepseek R1 0528 Qwen3 8B Mlx 4bit with Q4 quantization. At approximately 225 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 20GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 24GB | 225.00 tok/s | ✅ Fits comfortably |
| Q8 | 8GB | 24GB | 157.50 tok/s | ✅ Fits comfortably |
| FP16 | 16GB | 24GB | 85.50 tok/s | ✅ Fits comfortably |
Check current pricing links for RTX 4090 and similar cards.
Open RTX 4090 buy links →Use workload-focused recommendations before committing to a purchase.
Browse best GPU guides →Compare complete systems if you want ready-to-run hardware.
Compare prebuilt systems →RTX 4090 can run Lmstudio Community Deepseek R1 0528 Qwen3 8B Mlx 4bit at Q4 with an estimated 225 tok/s.
Q4 inference is estimated to need about 4GB VRAM on this page, while RTX 4090 has 24GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.