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

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

Llama 2 70B Chat

Meta · 70B

Chat
Llama 2 7B Chat HF

Meta · 6.7B

Chat

Specifications

Llama 2 70B ChatLlama 2 7B Chat HF
Parameters70B6.7B
Context
Architecture
LicenseLlama 2 CommunityLlama 2 Community
Downloads2272.9K
ReleasedApr 2024Apr 2024

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

QuantizationBitsLlama 2 70B Chat VRAMLlama 2 7B Chat HF VRAM
Q2_K3.4032.7 GB3.1 GB
Q3_K_M3.9037.5 GB3.6 GB
Q3_K_S3.5033.7 GB3.2 GB
Q4_04.0038.5 GB
Q4_K_M4.8046.2 GB4.5 GB
Q5_K_M5.7054.9 GB5.3 GB
Q6_K6.6063.5 GB6.1 GB
Q8_08.0077 GB7.4 GB

Verdict

Llama 2 7B Chat HF needs less VRAM at Q4_K_M (4.5 GB vs 46.2 GB), so it fits on smaller GPUs. Llama 2 7B Chat HF is the more widely downloaded of the two.

Frequently Asked Questions

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

At Q4_K_M, Llama 2 70B Chat needs 46.2 GB and Llama 2 7B Chat HF needs 4.5 GB, so Llama 2 7B Chat HF is the lighter option to run locally.

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

Llama 2 70B Chat is a 70B model from Meta (Llama 2 family), while Llama 2 7B Chat HF is a 6.7B model from Meta (Llama 2 family). Compare their VRAM requirements above to see which fits your GPU or Mac.