Dolphin 2.9.1 Llama 3 70B vs Llama 3 1 Nemotron Ultra 253B V1
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Dolphin 2.9.1 Llama 3 70B | Llama 3 1 Nemotron Ultra 253B V1 | |
|---|---|---|
| Parameters | 70.6B | 253.4B |
| Context | 8K | 131K |
| Architecture | LlamaForCausalLM | DeciLMForCausalLM |
| License | Llama 3 Community | Other |
| Downloads | 9.0K | 5.0K |
| Released | Jun 2024 | Oct 2025 |
VRAM by Quantization: Dolphin 2.9.1 Llama 3 70B vs Llama 3 1 Nemotron Ultra 253B V1
| Quantization | Bits | Dolphin 2.9.1 Llama 3 70B VRAM | Llama 3 1 Nemotron Ultra 253B V1 VRAM |
|---|---|---|---|
| BF16 | 16.00 | 142.1 GB | 557.5 GB |
Verdict
Dolphin 2.9.1 Llama 3 70B needs less VRAM at BF16 (142.1 GB vs 557.5 GB), so it fits on smaller GPUs. Llama 3 1 Nemotron Ultra 253B V1 supports a longer context window (131K tokens). Dolphin 2.9.1 Llama 3 70B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Dolphin 2.9.1 Llama 3 70B or Llama 3 1 Nemotron Ultra 253B V1?
At BF16, Dolphin 2.9.1 Llama 3 70B needs 142.1 GB and Llama 3 1 Nemotron Ultra 253B V1 needs 557.5 GB, so Dolphin 2.9.1 Llama 3 70B is the lighter option to run locally.
- Which has a longer context window, Dolphin 2.9.1 Llama 3 70B or Llama 3 1 Nemotron Ultra 253B V1?
Dolphin 2.9.1 Llama 3 70B supports 8,192 tokens and Llama 3 1 Nemotron Ultra 253B V1 supports 131,072 tokens.
- What is the difference between Dolphin 2.9.1 Llama 3 70B and Llama 3 1 Nemotron Ultra 253B V1?
Dolphin 2.9.1 Llama 3 70B is a 70.6B model from dphn (Llama 3 family), while Llama 3 1 Nemotron Ultra 253B V1 is a 253.4B model from NVIDIA (Llama 3 family). Compare their VRAM requirements above to see which fits your GPU or Mac.