Qwen3 4B Domino B16 vs Qwen3.5 4B DFlash
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Qwen3 4B Domino B16 | Qwen3.5 4B DFlash | |
|---|---|---|
| Parameters | 588M | 537M |
| Context | 41K | 262K |
| Architecture | DFlashDraftModel | DFlashDraftModel |
| License | — | MIT |
| Downloads | 365 | 337 |
| Released | Jun 2026 | Mar 2026 |
VRAM by Quantization: Qwen3 4B Domino B16 vs Qwen3.5 4B DFlash
| Quantization | Bits | Qwen3 4B Domino B16 VRAM | Qwen3.5 4B DFlash VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 0.6 GB | 0.6 GB |
| Q3_K_M | 3.90 | 0.6 GB | 0.6 GB |
| Q3_K_S | 3.50 | 0.6 GB | 0.6 GB |
| Q4_0 | 4.00 | 0.6 GB | — |
| Q4_K_M | 4.80 | 0.7 GB | 0.7 GB |
| Q5_K_M | 5.70 | 0.8 GB | 0.7 GB |
| Q6_K | 6.60 | 0.8 GB | 0.8 GB |
| Q8_0 | 8.00 | 0.9 GB | 0.9 GB |
Verdict
Qwen3.5 4B DFlash needs less VRAM at Q4_K_M (0.7 GB vs 0.7 GB), so it fits on smaller GPUs. Qwen3.5 4B DFlash supports a longer context window (262K tokens). Qwen3 4B Domino B16 is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Qwen3 4B Domino B16 or Qwen3.5 4B DFlash?
At Q4_K_M, Qwen3 4B Domino B16 needs 0.7 GB and Qwen3.5 4B DFlash needs 0.7 GB, so Qwen3.5 4B DFlash is the lighter option to run locally.
- Which has a longer context window, Qwen3 4B Domino B16 or Qwen3.5 4B DFlash?
Qwen3 4B Domino B16 supports 40,960 tokens and Qwen3.5 4B DFlash supports 262,144 tokens.
- What is the difference between Qwen3 4B Domino B16 and Qwen3.5 4B DFlash?
Qwen3 4B Domino B16 is a 588M model from Huang2020 (Qwen family), while Qwen3.5 4B DFlash is a 537M model from z-lab (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.