Question 1

Can NVIDIA A100 40GB run Qwen3.5 27B?

Accepted Answer

Yes, NVIDIA A100 40GB can run Qwen3.5 27B with a B grade (Runs well). Expected decode speed: 68.0 tok/s.

Question 2

How much VRAM does Qwen3.5 27B need?

Accepted Answer

Qwen3.5 27B (27B parameters) requires approximately 25.9 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Qwen3.5 27B?

Accepted Answer

The recommended quantization for Qwen3.5 27B is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	B	Runs well	68.0 tok/s	4143 ms	43K
Chat	C	Runs well	68.0 tok/s	1553 ms	13K
Coding	B	Runs well	68.0 tok/s	2848 ms	25K
RAG	B	Runs well	68.0 tok/s	5178 ms	43K
Reasoning	B	Runs well	68.0 tok/s	3366 ms	25K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	10.5 GB	Low	D35
Q3_K_S	3	13.2 GB	Low	D37
NVFP4	4

Can NVIDIA A100 40GB run Qwen3.5 27B?

Memory breakdown