Gemma 4 19B vs Gemma 3 12B IT Heretic
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Gemma 4 19B | Gemma 3 12B IT Heretic | |
|---|---|---|
| Parameters | 19.0B | 12.2B |
| Context | 262K | 131K |
| Architecture | Gemma4ForConditionalGeneration | Gemma3ForConditionalGeneration |
| License | Gemma Terms | Gemma Terms |
| Downloads | 415 | 16.0K |
| Released | May 2026 | Mar 2026 |
VRAM by Quantization: Gemma 4 19B vs Gemma 3 12B IT Heretic
| Quantization | Bits | Gemma 4 19B VRAM | Gemma 3 12B IT Heretic VRAM |
|---|---|---|---|
| Q2_K | 3.40 | — | 6.2 GB |
| Q3_K_M | 3.90 | — | 7 GB |
| Q3_K_S | 3.50 | — | 6.4 GB |
| Q4_0 | 4.00 | — | 7.2 GB |
| Q4_K_M | 4.80 | — | 8.4 GB |
| Q5_K_M | 5.70 | — | 9.7 GB |
| Q6_K | 6.60 | — | 11.1 GB |
| Q8_0 | 8.00 | — | 13.2 GB |
Verdict
Gemma 4 19B supports a longer context window (262K tokens). Gemma 3 12B IT Heretic is the more widely downloaded of the two.
Frequently Asked Questions
- Which has a longer context window, Gemma 4 19B or Gemma 3 12B IT Heretic?
Gemma 4 19B supports 262,144 tokens and Gemma 3 12B IT Heretic supports 131,072 tokens.
- What is the difference between Gemma 4 19B and Gemma 3 12B IT Heretic?
Gemma 4 19B is a 19.0B model from 0xSero (Gemma family), while Gemma 3 12B IT Heretic is a 12.2B model from DreamFast (Gemma family). Compare their VRAM requirements above to see which fits your GPU or Mac.