Models › LFM2.5-8B-A1B
LFM2.5-8B-A1B: VRAM needs and speed by GPU
At UD-Q4_K_M, LFM2.5-8B-A1B needs about 6.3 GB of VRAM. No measured runs yet. Speeds below are estimates. Submit a run.
8.47B parameters (mixture-of-experts, ~1.1B active) · license: other · 128,000-token context · GGUF published May 29, 2026 · GGUF files on Hugging Face
Memory needed per quantization
| Quant | File size | Needs (estimate) | Smallest card it fits |
|---|---|---|---|
| UD-IQ1_M | 2.6 GB | 3.6 GB | 8 GB cards |
| UD-IQ2_XXS | 2.7 GB | 3.7 GB | 8 GB cards |
| UD-IQ2_M | 2.8 GB | 3.8 GB | 8 GB cards |
| UD-Q2_K_XL | 2.9 GB | 3.9 GB | 8 GB cards |
| UD-IQ3_XXS | 3.3 GB | 4.3 GB | 8 GB cards |
| UD-IQ3_S | 3.6 GB | 4.6 GB | 8 GB cards |
| UD-Q3_K_M | 3.9 GB | 4.9 GB | 8 GB cards |
| UD-Q3_K_XL | 4.0 GB | 5.0 GB | 8 GB cards |
| UD-IQ4_XS | 4.3 GB | 5.3 GB | 8 GB cards |
| UD-IQ4_NL | 4.4 GB | 5.4 GB | 8 GB cards |
| UD-Q4_K_S | 5.0 GB | 6.0 GB | 8 GB cards |
| UD-Q4_K_M | 5.3 GB | 6.3 GB | 8 GB cards |
| MXFP4_MOE | 5.3 GB | 6.4 GB | 8 GB cards |
| UD-Q4_K_XL | 5.4 GB | 6.4 GB | 8 GB cards |
| UD-Q5_K_S | 6.0 GB | 7.0 GB | 8 GB cards |
| UD-Q5_K_M | 6.4 GB | 7.4 GB | 8 GB cards |
| UD-Q5_K_XL | 6.4 GB | 7.4 GB | 8 GB cards |
| UD-Q6_K | 7.1 GB | 8.1 GB | 12 GB cards |
| UD-Q6_K_XL | 7.7 GB | 8.8 GB | 12 GB cards |
| Q8_0 | 9.0 GB | 10.0 GB | 12 GB cards |
| UD-Q8_K_XL | 9.3 GB | 10.4 GB | 12 GB cards |
| BF16 | 16.9 GB | 18.0 GB | 24 GB cards |
Expected speed on popular hardware
| Hardware | Best quant that fits | Expected tok/s |
|---|---|---|
| NVIDIA RTX 3060 | Q8_0 | 137 estimate |
| NVIDIA RTX 4060 Ti | UD-Q5_K_M | 154 estimate |
| NVIDIA RTX 3090 | Q8_0 | 291 estimate |
| NVIDIA RTX 4090 | Q8_0 | 323 estimate |
| NVIDIA RTX 5090 | Q8_0 | 510 estimate |
| AMD Radeon RX 7900 XTX | Q8_0 | 324 estimate |
| Apple M4 Pro (20-core GPU) (64 GB) | Q8_0 | 103 estimate |
| Apple M3 Max (40-core GPU) (64 GB) | Q8_0 | 150 estimate |
| AMD Ryzen AI Max+ 395 (Radeon 8060S) | Q8_0 | 92.3 estimate |
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