Question 1

Can AMD Instinct MI250X 128GB run Meta Llama 3.1 8B Instruct?

Accepted Answer

Yes, AMD Instinct MI250X 128GB can run Meta Llama 3.1 8B Instruct with a C grade (Runs well). Expected decode speed: 472.1 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 20.1 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	511.5 tok/s	551 ms	192K
Chat	C	Runs well	511.5 tok/s	350 ms	52K
Coding	C	Runs well	472.1 tok/s	410 ms	102K
RAG	C	Runs well	511.5 tok/s	688 ms	192K
Reasoning	C	Runs well	511.5 tok/s	447 ms	102K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.1 GB	Low	D30
Q3_K_S	3	3.9 GB	Low	D30
NVFP4	4

Can AMD Instinct MI250X 128GB run Meta Llama 3.1 8B Instruct?

Memory breakdown