CodeQwen1.5 7B vs Qwen3 30B A3B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| CodeQwen1.5 7B | Qwen3 30B A3B | |
|---|---|---|
| Parameters | 7.3B | 30.5B |
| Context | 66K | 41K |
| Architecture | Qwen2ForCausalLM | Qwen3MoeForCausalLM |
| License | Other | Apache 2.0 |
| Downloads | 1.6K | 2.1M |
| Released | — | Jul 2025 |
VRAM by Quantization: CodeQwen1.5 7B vs Qwen3 30B A3B
| Quantization | Bits | CodeQwen1.5 7B VRAM | Qwen3 30B A3B VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 3.5 GB | 13.4 GB |
| Q3_K_M | 3.90 | 4.0 GB | 15.3 GB |
| Q3_K_S | 3.50 | 3.6 GB | 13.8 GB |
| Q4_0 | 4.00 | 4.1 GB | 15.7 GB |
| Q4_K_M | 4.80 | 4.8 GB | 18.7 GB |
| Q5_K_M | 5.70 | 5.6 GB | 22.1 GB |
| Q6_K | 6.60 | 6.4 GB | 25.6 GB |
| Q8_0 | 8.00 | 7.7 GB | 30.9 GB |
Verdict
CodeQwen1.5 7B needs less VRAM at Q4_K_M (4.8 GB vs 18.7 GB), so it fits on smaller GPUs. CodeQwen1.5 7B supports a longer context window (66K tokens). Qwen3 30B A3B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, CodeQwen1.5 7B or Qwen3 30B A3B?
At Q4_K_M, CodeQwen1.5 7B needs 4.8 GB and Qwen3 30B A3B needs 18.7 GB, so CodeQwen1.5 7B is the lighter option to run locally.
- Which has a longer context window, CodeQwen1.5 7B or Qwen3 30B A3B?
CodeQwen1.5 7B supports 65,536 tokens and Qwen3 30B A3B supports 40,960 tokens.
- What is the difference between CodeQwen1.5 7B and Qwen3 30B A3B?
CodeQwen1.5 7B is a 7.3B model from Alibaba (Qwen family), while Qwen3 30B A3B is a 30.5B model from Alibaba (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.