Qwen Qwen3 30B A3b Instruct 2507 speed on RTX 4090 and quantization-level VRAM fit.
RTX 4090 meets the minimum VRAM requirement for Q4 inference of Qwen Qwen3 30B A3b Instruct 2507. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 4090 can run Qwen Qwen3 30B A3b Instruct 2507 with Q4 quantization. At approximately 99 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 9GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 15GB | 24GB | 99.00 tok/s | ✅ Fits comfortably |
| Q8 | 30GB | 24GB | 69.30 tok/s | ❌ Not recommended |
| FP16 | 60GB | 24GB | 37.62 tok/s | ❌ Not recommended |
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 Qwen Qwen3 30B A3b Instruct 2507 at Q4 with an estimated 99 tok/s.
Q4 inference is estimated to need about 15GB 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.