Qwen2 1.5B vs Gemma 4 31B IT DFlash
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Qwen2 1.5B | Gemma 4 31B IT DFlash | |
|---|---|---|
| Parameters | 1.5B | 1.5B |
| Context | 131K | 262K |
| Architecture | Qwen2ForCausalLM | DFlashDraftModel |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 108.4K | 35.3K |
| Released | Jun 2024 | May 2026 |
VRAM by Quantization: Qwen2 1.5B vs Gemma 4 31B IT DFlash
| Quantization | Bits | Qwen2 1.5B VRAM | Gemma 4 31B IT DFlash VRAM |
|---|---|---|---|
| BF16 | 16.00 | 3.5 GB | — |
| Q4_K_M | 4.80 | — | 1.3 GB |
| Q6_K | 6.60 | — | 1.6 GB |
| Q8_0 | 8.00 | — | 1.9 GB |
Verdict
Gemma 4 31B IT DFlash supports a longer context window (262K tokens). Qwen2 1.5B is the more widely downloaded of the two.
Frequently Asked Questions
- Which has a longer context window, Qwen2 1.5B or Gemma 4 31B IT DFlash?
Qwen2 1.5B supports 131,072 tokens and Gemma 4 31B IT DFlash supports 262,144 tokens.
- What is the difference between Qwen2 1.5B and Gemma 4 31B IT DFlash?
Qwen2 1.5B is a 1.5B model from Alibaba (Qwen 2 family), while Gemma 4 31B IT DFlash is a 1.5B model from z-lab (Gemma family). Compare their VRAM requirements above to see which fits your GPU or Mac.