Llama 2 70B Chat HF vs Llama 2 7B Chat

Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.

Llama 2 70B Chat HF

Meta · 69.0B

Chat
Llama 2 7B Chat

Meta · 7B

Chat

Specifications

Llama 2 70B Chat HFLlama 2 7B Chat
Parameters69.0B7B
Context
Architecture
LicenseLlama 2 CommunityLlama 2 Community
Downloads108.0K70
ReleasedApr 2024Apr 2024

VRAM by Quantization: Llama 2 70B Chat HF vs Llama 2 7B Chat

QuantizationBitsLlama 2 70B Chat HF VRAMLlama 2 7B Chat VRAM
Q2_K3.4032.3 GB3.3 GB
Q3_K_M3.9037.0 GB3.8 GB
Q3_K_S3.5033.2 GB3.4 GB
Q4_04.0037.9 GB
Q4_K_M4.8045.5 GB4.6 GB
Q5_K_M5.7054.1 GB5.5 GB
Q6_K6.6062.6 GB6.3 GB
Q8_08.0075.9 GB7.7 GB

Verdict

Llama 2 7B Chat needs less VRAM at Q4_K_M (4.6 GB vs 45.5 GB), so it fits on smaller GPUs. Llama 2 70B Chat HF is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, Llama 2 70B Chat HF or Llama 2 7B Chat?

At Q4_K_M, Llama 2 70B Chat HF needs 45.5 GB and Llama 2 7B Chat needs 4.6 GB, so Llama 2 7B Chat is the lighter option to run locally.

What is the difference between Llama 2 70B Chat HF and Llama 2 7B Chat?

Llama 2 70B Chat HF is a 69.0B model from Meta (Llama 2 family), while Llama 2 7B Chat is a 7B model from Meta (Llama 2 family). Compare their VRAM requirements above to see which fits your GPU or Mac.