Question 1

Can NVIDIA H20 96GB run Qwen3.5 27B?

Accepted Answer

Yes, NVIDIA H20 96GB can run Qwen3.5 27B with a C grade (Runs well). Expected decode speed: 196.7 tok/s.

Question 2

How much VRAM does Qwen3.5 27B need?

Accepted Answer

Qwen3.5 27B (27B parameters) requires approximately 31.5 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	C	Runs well	174.9 tok/s	1610 ms	86K
Chat	C	Runs well	196.7 tok/s	537 ms	26K
Coding	C	Runs well	196.7 tok/s	984 ms	49K
RAG	C	Runs well	196.7 tok/s	1789 ms	86K
Reasoning	C	Runs well	196.7 tok/s	1163 ms	49K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	10.5 GB	Low	D32
Q3_K_S	3	13.2 GB	Low	D32
NVFP4	4

Can NVIDIA H20 96GB run Qwen3.5 27B?

Memory breakdown