Question 1

Can RTX PRO 5000 Blackwell 48GB run Meta Llama 3.1 8B Instruct?

Accepted Answer

Yes, RTX PRO 5000 Blackwell 48GB can run Meta Llama 3.1 8B Instruct with a C grade (Runs well). Expected decode speed: 198.3 tok/s.

Question 2

How much VRAM does Meta Llama 3.1 8B Instruct need?

Accepted Answer

Meta Llama 3.1 8B Instruct (8B parameters) requires approximately 12.1 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Meta Llama 3.1 8B Instruct?

Accepted Answer

The recommended quantization for Meta Llama 3.1 8B Instruct is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	231.3 tok/s	1217 ms	115K
Chat	C	Runs well	231.3 tok/s	456 ms	33K
Coding	C	Runs well	198.3 tok/s	976 ms	63K
RAG	C	Runs well	231.3 tok/s	1522 ms	115K
Reasoning	C	Runs well	231.3 tok/s	989 ms	63K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.1 GB	Low	D31
Q3_K_S	3	3.9 GB	Low	D31
NVFP4	4

Can RTX PRO 5000 Blackwell 48GB run Meta Llama 3.1 8B Instruct?

Memory breakdown