Phi 1 5 vs Mamba 1.4B HF
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Phi 1 5 | Mamba 1.4B HF | |
|---|---|---|
| Parameters | 1.4B | 1.4B |
| Context | 2K | — |
| Architecture | PhiForCausalLM | MambaForCausalLM |
| License | MIT | — |
| Downloads | 60.9K | 6.7K |
| Released | Nov 2025 | Mar 2024 |
VRAM by Quantization: Phi 1 5 vs Mamba 1.4B HF
| Quantization | Bits | Phi 1 5 VRAM | Mamba 1.4B HF VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 0.7 GB | — |
| Q3_K_M | 3.90 | 0.8 GB | — |
| Q3_K_S | 3.50 | 0.7 GB | — |
| Q4_K_M | 4.80 | 0.9 GB | — |
| Q5_K_M | 5.70 | 1.1 GB | — |
| Q6_K | 6.60 | 1.3 GB | — |
| Q8_0 | 8.00 | 1.6 GB | — |
Verdict
Phi 1 5 is the more widely downloaded of the two.
Frequently Asked Questions
- What is the difference between Phi 1 5 and Mamba 1.4B HF?
Phi 1 5 is a 1.4B model from Microsoft (Phi family), while Mamba 1.4B HF is a 1.4B model from State Spaces. Compare their VRAM requirements above to see which fits your GPU or Mac.