Qwen Qwen3 Next 80B A3b Thinking speed on RX 7800 XT and quantization-level VRAM fit.
RX 7800 XT does not meet the minimum VRAM requirement for Q4 inference of Qwen Qwen3 Next 80B A3b Thinking. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 7800 XT lacks sufficient VRAM for comfortable Qwen Qwen3 Next 80B A3b Thinking operation with Q4 quantization.
Your 16GB GPU is 25GB short of the 41GB 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 | 41GB | 16GB | 112.94 tok/s | ❌ Not recommended |
| Q8 | 82GB | 16GB | 79.06 tok/s | ❌ Not recommended |
| FP16 | 163GB | 16GB | 42.92 tok/s | ❌ Not recommended |
Check current pricing links for RX 7800 XT and similar cards.
Open RX 7800 XT 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 Qwen Qwen3 Next 80B A3b Thinking on cloud GPU instantly.
RX 7800 XT is not a comfortable Q4 fit for Qwen Qwen3 Next 80B A3b Thinking (about 41GB needed).
Q4 inference is estimated to need about 41GB VRAM on this page, while RX 7800 XT has 16GB available.
Try lower-bit quantization, choose a smaller model, or move to a higher-VRAM GPU from the alternatives list.