Question 1

Can RX 6600 8GB run Meta Llama 3 8B Instruct?

Accepted Answer

Yes, RX 6600 8GB can run Meta Llama 3 8B Instruct with a C grade (Runs with offload (needs ~0.1 GB host RAM)). Expected decode speed: 22.2 tok/s.

Question 2

How much VRAM does Meta Llama 3 8B Instruct need?

Accepted Answer

Meta Llama 3 8B Instruct (8B parameters) requires approximately 8.1 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Meta Llama 3 8B Instruct?

Accepted Answer

The recommended quantization for Meta Llama 3 8B Instruct is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	D	Very compromised (needs ~0.7 GB host RAM)	19.7 tok/s	14310 ms	27K
Chat	C	Runs with offload	22.5 tok/s	4695 ms	8K
Coding	C	Runs with offload (needs ~0.1 GB host RAM)	22.2 tok/s	8726 ms	16K
RAG	D	Very compromised (needs ~0.7 GB host RAM)	19.7 tok/s	17887 ms	27K
Reasoning	C	Runs with offload (needs ~0.1 GB host RAM)	22.2 tok/s

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.1 GB	Low	D38
Q3_K_S	3	3.9 GB	Low	D40
NVFP4	4

Can RX 6600 8GB run Meta Llama 3 8B Instruct?

Memory breakdown