Llama 2 70B Chat vs Llama 2 7B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Llama 2 70B Chat | Llama 2 7B | |
|---|---|---|
| Parameters | 70B | 7B |
| Context | — | — |
| Architecture | — | — |
| License | Llama 2 Community | Llama 2 Community |
| Downloads | 2 | 250 |
| Released | Apr 2024 | Apr 2024 |
VRAM by Quantization: Llama 2 70B Chat vs Llama 2 7B
| Quantization | Bits | Llama 2 70B Chat VRAM | Llama 2 7B VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 32.7 GB | 3.3 GB |
| Q3_K_M | 3.90 | 37.5 GB | 3.8 GB |
| Q3_K_S | 3.50 | 33.7 GB | 3.4 GB |
| Q4_0 | 4.00 | 38.5 GB | — |
| Q4_K_M | 4.80 | 46.2 GB | 4.6 GB |
| Q5_K_M | 5.70 | 54.9 GB | 5.5 GB |
| Q6_K | 6.60 | 63.5 GB | 6.3 GB |
| Q8_0 | 8.00 | 77 GB | 7.7 GB |
Verdict
Llama 2 7B needs less VRAM at Q4_K_M (4.6 GB vs 46.2 GB), so it fits on smaller GPUs. Llama 2 7B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Llama 2 70B Chat or Llama 2 7B?
At Q4_K_M, Llama 2 70B Chat needs 46.2 GB and Llama 2 7B needs 4.6 GB, so Llama 2 7B is the lighter option to run locally.
- What is the difference between Llama 2 70B Chat and Llama 2 7B?
Llama 2 70B Chat is a 70B model from Meta (Llama 2 family), while Llama 2 7B is a 7B model from Meta (Llama 2 family). Compare their VRAM requirements above to see which fits your GPU or Mac.