Gemma 3 27B IT vs Gemma 4 31B IT DFlash
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Gemma 3 27B IT | Gemma 4 31B IT DFlash | |
|---|---|---|
| Parameters | 27.4B | 31B |
| Context | 131K | 262K |
| Architecture | — | DFlashDraftModel |
| License | Gemma Terms | Apache 2.0 |
| Downloads | 1.5M | 35.3K |
| Released | — | May 2026 |
VRAM by Quantization: Gemma 3 27B IT vs Gemma 4 31B IT DFlash
| Quantization | Bits | Gemma 3 27B IT VRAM | Gemma 4 31B IT DFlash VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 12.8 GB | 13.5 GB |
| Q3_K_M | 3.90 | 14.7 GB | 15.4 GB |
| Q3_K_S | 3.50 | 13.2 GB | — |
| Q4_0 | 4.00 | 15.1 GB | — |
| Q4_K_M | 4.80 | 18.1 GB | 18.9 GB |
| Q5_K_M | 5.70 | 21.5 GB | 22.4 GB |
| Q6_K | 6.60 | 24.9 GB | 25.9 GB |
| Q8_0 | 8.00 | 30.2 GB | 31.3 GB |
Verdict
Gemma 3 27B IT needs less VRAM at Q4_K_M (18.1 GB vs 18.9 GB), so it fits on smaller GPUs. Gemma 4 31B IT DFlash supports a longer context window (262K tokens). Gemma 3 27B IT is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Gemma 3 27B IT or Gemma 4 31B IT DFlash?
At Q4_K_M, Gemma 3 27B IT needs 18.1 GB and Gemma 4 31B IT DFlash needs 18.9 GB, so Gemma 3 27B IT is the lighter option to run locally.
- Which has a longer context window, Gemma 3 27B IT or Gemma 4 31B IT DFlash?
Gemma 3 27B IT supports 131,072 tokens and Gemma 4 31B IT DFlash supports 262,144 tokens.
- What is the difference between Gemma 3 27B IT and Gemma 4 31B IT DFlash?
Gemma 3 27B IT is a 27.4B model from Google (Gemma family), while Gemma 4 31B IT DFlash is a 31B model from z-lab (Gemma family). Compare their VRAM requirements above to see which fits your GPU or Mac.