Can the AMD Radeon RX 7800 XT run Qwen3 8B?
- 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 8B fully in VRAM at Q8_0 (near-lossless), using about 10.5 GB of the 16 GB available, at roughly 43 tokens/second.
Run it with Ollama
With Ollama installed, one command downloads and starts Qwen3 8B:
ollama run qwen3:8bOllama's default download is Q4_K_M (about 6.8 GB here). You have room for Q8_0, which is near-lossless: 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 8B 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 | 18.2 GB | Too big | — | |
| Q8_0 | Near-lossless | 10.5 GB | Fits | ~43 tok/s | |
| Q6_K | Excellent | 8.5 GB | Fits | ~56 tok/s | |
| Q5_K_M | Very good | 7.6 GB | Fits | ~64 tok/s | |
| Q4_K_M | Good, most popular | 6.8 GB | Fits | ~75 tok/s | |
| Q3_K_M | Noticeably degraded | 5.8 GB | Fits | ~94 tok/s | |
| Q2_K | Heavily degraded | 4.9 GB | Fits | ~122 tok/s |
GPUs that run Qwen3 8B comfortably
Models that run well on the AMD Radeon RX 7800 XT
Frequently asked questions
Can AMD Radeon RX 7800 XT run Qwen3 8B?
Yes. The AMD Radeon RX 7800 XT can run Qwen3 8B fully in VRAM at Q8_0 (near-lossless), using about 10.5 GB of the 16 GB available, at roughly 43 tokens/second.
How much VRAM does Qwen3 8B need?
About 6.8 GB at Q4_K_M with 8,192 tokens of context, and about 18.2 GB at full FP16 precision.
How fast is Qwen3 8B on the AMD Radeon RX 7800 XT?
Roughly 43 tokens per second at Q8_0, estimated from the AMD Radeon RX 7800 XT's 624 GB/s memory bandwidth.