Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 4bit speed on RTX 4070 and quantization-level VRAM fit.
RTX 4070 does not meet the minimum VRAM requirement for Q4 inference of Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 4bit. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 4070 lacks sufficient VRAM for comfortable Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 4bit operation with Q4 quantization.
Your 12GB GPU is 3GB short of the 15GB minimum.
Options: (1) Try Q2 or Q3 quantization for lower VRAM requirements, (2) Consider cloud GPU rental, (3) Upgrade to a GPU with at least 16GB VRAM.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 15GB | 12GB | 100.41 tok/s | ❌ Not recommended |
| Q8 | 30GB | 12GB | 70.28 tok/s | ❌ Not recommended |
| FP16 | 60GB | 12GB | 38.15 tok/s | ❌ Not recommended |
Check current pricing links for RTX 4070 and similar cards.
Open RTX 4070 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 →Your GPU doesn't meet the VRAM requirements. Run Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 4bit on cloud GPU instantly.
RTX 4070 is not a comfortable Q4 fit for Lmstudio Community Qwen3 Coder 30B A3b Instruct Mlx 4bit (about 15GB needed).
Q4 inference is estimated to need about 15GB VRAM on this page, while RTX 4070 has 12GB available.
Try lower-bit quantization, choose a smaller model, or move to a higher-VRAM GPU from the alternatives list.