GPUs & Macs › AMD Radeon RX 6700 XT
AMD Radeon RX 6700 XT: local LLM speed
Llama 2 7B (Q4_0) generates 83.9 tokens/s on the AMD Radeon RX 6700 XT (Vulkan), and processes prompts at 1,051 tokens/s.
Measured results
| Model | Generate tok/s | Prompt tok/s | Quant | Backend | Test | Source |
|---|---|---|---|---|---|---|
| Llama 2 7B | 83.9 | 1,051 | Q4_0 | Vulkan FA off | tg128 | llama.cpp #10879 details |
| Llama 2 7B | 81.9 | 1,011 | Q4_0 | Vulkan FA on | tg128 | llama.cpp #10879 details |
| Llama 3.2 1B Instruct | 64.3 | 2,883 | Q4_K_M | llamafile | LocalScore avg | LocalScore details |
| Llama 3.1 8B Instruct | 16.4 | 597 | Q4_K_M | llamafile | LocalScore avg | LocalScore details |
| Qwen2.5 14B Instruct | 15.7 | 316 | Q4_K_M | llamafile | LocalScore avg | LocalScore details |
What fits on the AMD Radeon RX 6700 XT
Estimates for this chip are scaled from a measured run: Llama 2 7B Q4_0 at 83.9 tok/s (Vulkan, source). Fit assumes the whole model in GPU memory with ~8K context.
| Model | Best quant that fits | File | Expected tok/s |
|---|---|---|---|
| Qwen3.8-27B | UD-IQ2_XXS | 7.3 GB | 44.1 estimate |
| gemma-4-12B-it | Q6_K | 9.8 GB | 32.8 estimate |
| Qwen3.5-9B | Q8_0 | 9.5 GB | 33.6 estimate |
| Qwen3.5-4B | Q8_0 | 4.5 GB | 71.5 estimate |
| gemma-4-26B-A4B-it | UD-IQ2_M | 10.0 GB | 104 estimate |
| MiMo-V2.6-Distill-Qwen-9B | Q8_0 | 9.5 GB | 33.6 estimate |
| gemma-4-E4B-it | Q8_0 | 8.2 GB | 39.1 estimate |
| Qwen3-4B | Q8_0 | 4.3 GB | 74.9 estimate |
| gemma-4-31B-it | UD-IQ2_XXS | 8.5 GB | 37.6 estimate |
| gemma-4-12B-it-qat-q4_0-unquantized | UD-Q4_K_XL | 6.7 GB | 47.7 estimate |
| gemma-3-1b-it | Q8_0 | 1.1 GB | 267 estimate |
| gemma-4-E2B-it | Q8_0 | 5.0 GB | 64.5 estimate |
| DeepSeek-R1-0528-Qwen3-8B | Q8_0 | 8.7 GB | 36.8 estimate |
| Llama-3.2-3B-Instruct | Q8_0 | 3.4 GB | 93.7 estimate |
Similar hardware
AMD Radeon RX 6750 XT · AMD Radeon RX 9070 XT · AMD Radeon RX 9070 · AMD Radeon RX 7800 XT · AMD Radeon RX 7900 GRE · AMD Radeon RX 6900 XT · AMD Radeon RX 6800 · AMD Radeon VII