Llama 3 1 Nemotron 51B Instruct vs Llama 3 3 Nemotron Super 49B V1 5
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Llama 3 1 Nemotron 51B Instruct | Llama 3 3 Nemotron Super 49B V1 5 | |
|---|---|---|
| Parameters | 51B | 49.9B |
| Context | 131K | 131K |
| Architecture | DeciLMForCausalLM | DeciLMForCausalLM |
| License | Other | Other |
| Downloads | 570 | 56.5K |
| Released | Jul 2025 | Oct 2025 |
VRAM by Quantization: Llama 3 1 Nemotron 51B Instruct vs Llama 3 3 Nemotron Super 49B V1 5
| Quantization | Bits | Llama 3 1 Nemotron 51B Instruct VRAM | Llama 3 3 Nemotron Super 49B V1 5 VRAM |
|---|---|---|---|
| BF16 | 16.00 | 112.2 GB | 109.7 GB |
Verdict
Llama 3 3 Nemotron Super 49B V1 5 needs less VRAM at BF16 (109.7 GB vs 112.2 GB), so it fits on smaller GPUs. Llama 3 3 Nemotron Super 49B V1 5 is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Llama 3 1 Nemotron 51B Instruct or Llama 3 3 Nemotron Super 49B V1 5?
At BF16, Llama 3 1 Nemotron 51B Instruct needs 112.2 GB and Llama 3 3 Nemotron Super 49B V1 5 needs 109.7 GB, so Llama 3 3 Nemotron Super 49B V1 5 is the lighter option to run locally.
- Which has a longer context window, Llama 3 1 Nemotron 51B Instruct or Llama 3 3 Nemotron Super 49B V1 5?
Llama 3 1 Nemotron 51B Instruct supports 131,072 tokens and Llama 3 3 Nemotron Super 49B V1 5 supports 131,072 tokens.
- What is the difference between Llama 3 1 Nemotron 51B Instruct and Llama 3 3 Nemotron Super 49B V1 5?
Llama 3 1 Nemotron 51B Instruct is a 51B model from NVIDIA (Llama 3 family), while Llama 3 3 Nemotron Super 49B V1 5 is a 49.9B model from NVIDIA (Llama 3 family). Compare their VRAM requirements above to see which fits your GPU or Mac.