What can the AMD Radeon RX 7900 XTX run?
24 GB VRAM (~22.8 GB usable for models) · 960 GB/s memory bandwidth · launch MSRP $999
No public llama.cpp benchmark recorded yet; speeds use average bandwidth efficiency of similar devices.
| Model | Verdict | Best quant that fits | Est. tok/s (Q4) |
|---|---|---|---|
| Llama 3.1 8B Instruct | Yes | F16 | ~145 |
| Llama 3.3 70B Instruct | No | — | — |
| Llama 3.2 3B Instruct | Yes | F16 | ~300 |
| Llama 4 Scout (17B active, 16 experts) | No | — | — |
| Qwen3 8B | Yes | F16 | ~142 |
| Qwen3 14B | Yes | Q8_0 | ~78.5 |
| Qwen3 32B | Yes | Q4_K_M (4K ctx) | ~35.4 |
| Qwen3 30B-A3B (MoE) | Yes | Q4_K_M | ~173 |
| Qwen3 235B-A22B (MoE) | No | — | — |
| Qwen2.5 Coder 32B Instruct | Yes | Q4_K_M (4K ctx) | ~35.4 |
| Gemma 3 4B | Yes | F16 | ~270 |
| Gemma 3 12B | Yes | Q8_0 | ~95.3 |
| Gemma 3 27B | Yes | Q4_K_M | ~42.4 |
| Mistral Small 3.1 24B | Yes | Q6_K | ~48.4 |
| Mistral Nemo 12B | Yes | Q8_0 | ~95.3 |
| Phi-4 14B | Yes | Q8_0 | ~79.1 |
| DeepSeek R1 Distill Qwen 32B | Yes | Q4_K_M (4K ctx) | ~35.4 |
| DeepSeek R1 Distill Llama 70B | No | — | — |
| gpt-oss-20b (MoE) | Yes | MXFP4 (native) | ~169 |
| gpt-oss-120b (MoE) | No | — | — |
| DeepSeek V3 / R1 671B (MoE) | No | — | — |
Estimated tok/s = calibrated bandwidth ÷ active weight size. Real results vary with runtime, context and drivers.
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