Can the AMD Radeon RX 7800 XT run Qwen3 4B?
- FP16
- Q8_0
- Q6_K
- Q5_K_M
- Q4_K_M
- Q3_K_M
- Q2_K
Yes. The AMD Radeon RX 7800 XT can run Qwen3 4B fully in VRAM at FP16 (full quality), using about 9.8 GB of the 16 GB available, at roughly 47 tokens/second.
Run it with Ollama
With Ollama installed, one command downloads and starts Qwen3 4B:
ollama run qwen3:4bOllama's default download is Q4_K_M (about 4.2 GB here). You have room for FP16, which is full quality: pick that GGUF in LM Studio or from Hugging Face.
New to this? Step-by-step setup for the Radeon RX 7800 XT
Run it in the cloud
No AMD Radeon RX 7800 XT? Run Qwen3 4B in the cloud.
Rent a cloud GPU by the hour. No upfront cost, stop any time.
Memory needed by quantization
At 8,192 tokens of context. The black line marks the 16 GB the AMD Radeon RX 7800 XT can use.
| Quant | Quality | Memory | Fits? | Speed | |
|---|---|---|---|---|---|
| FP16 | Full quality | 9.8 GB | Fits | ~47 tok/s | |
| Q8_0 | Near-lossless | 6.1 GB | Fits | ~88 tok/s | |
| Q6_K | Excellent | 5.1 GB | Fits | ~114 tok/s | |
| Q5_K_M | Very good | 4.7 GB | Fits | ~131 tok/s | |
| Q4_K_M | Good, most popular | 4.2 GB | Fits | ~154 tok/s | |
| Q3_K_M | Noticeably degraded | 3.8 GB | Fits | ~191 tok/s | |
| Q2_K | Heavily degraded | 3.3 GB | Fits | ~248 tok/s |
GPUs that run Qwen3 4B comfortably
Models that run well on the AMD Radeon RX 7800 XT
Frequently asked questions
Can AMD Radeon RX 7800 XT run Qwen3 4B?
Yes. The AMD Radeon RX 7800 XT can run Qwen3 4B fully in VRAM at FP16 (full quality), using about 9.8 GB of the 16 GB available, at roughly 47 tokens/second.
How much VRAM does Qwen3 4B need?
About 4.2 GB at Q4_K_M with 8,192 tokens of context, and about 9.8 GB at full FP16 precision.
How fast is Qwen3 4B on the AMD Radeon RX 7800 XT?
Roughly 47 tokens per second at FP16, estimated from the AMD Radeon RX 7800 XT's 624 GB/s memory bandwidth.