Question 1

Can NVIDIA B200 180GB run Llama 2 7B Chat?

Accepted Answer

Yes, NVIDIA B200 180GB can run Llama 2 7B Chat with a C grade (Runs well). Expected decode speed: 1348.9 tok/s.

Question 2

How much VRAM does Llama 2 7B Chat need?

Accepted Answer

Llama 2 7B Chat (7B parameters) requires approximately 24.6 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Llama 2 7B Chat?

Accepted Answer

The recommended quantization for Llama 2 7B Chat is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	1573.8 tok/s	350 ms	224K
Chat	C	Runs well	1573.8 tok/s	350 ms	59K
Coding	C	Runs well	1348.9 tok/s	350 ms	117K
RAG	C	Runs well	1573.8 tok/s	350 ms	224K
Reasoning	C	Runs well	1573.8 tok/s	350 ms	117K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	2.7 GB	Low	D30
Q3_K_S	3	3.4 GB	Low	D30
NVFP4	4

Can NVIDIA B200 180GB run Llama 2 7B Chat?

Memory breakdown