Question 1

Can Intel Arc B580 12GB run OpenChat 7B?

Accepted Answer

Yes, Intel Arc B580 12GB can run OpenChat 7B with a C grade (Runs well). Expected decode speed: 51.3 tok/s.

Question 2

How much VRAM does OpenChat 7B need?

Accepted Answer

OpenChat 7B (7B parameters) requires approximately 7.8 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for OpenChat 7B?

Accepted Answer

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

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	51.3 tok/s	5494 ms	8K
Chat	C	Runs well	51.3 tok/s	2060 ms	8K
Coding	C	Runs well	51.3 tok/s	3777 ms	8K
RAG	C	Runs well	51.3 tok/s	6867 ms	8K
Reasoning	C	Runs well	51.3 tok/s	4464 ms	8K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	2.7 GB	Low	D34
Q3_K_S	3	3.4 GB	Low	D35
NVFP4	4

Can Intel Arc B580 12GB run OpenChat 7B?

Memory breakdown