How much VRAM does Qwen3-Coder-Next need?

Qwen3-Coder-Next (80B parameters) requires approximately 52.8 GB of memory with Q4_K_M quantization.

What is the best quantization for Qwen3-Coder-Next?

The recommended quantization for Qwen3-Coder-Next is Q4_K_M, which balances quality and memory efficiency.

Can it run?

No, Qwen3-Coder-Next requires more memory than RX 7900 XT 20GB provides.

FWon't run

Too heavy

Using Q4_K_M in Ollama

Capabilities:

Fit status

Too heavy

Decode

35.8 tok/s

TTFT

5413 ms

Safe context

Memory

52.8 GB / 20.0 GB

Weights48.8 GB

KV Cache0.8 GB

Runtime1.2 GB

Headroom2.0 GB

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	F	Too heavy	29.8 tok/s	9448 ms	12K
Chat	F	Too heavy	29.8 tok/s	3543 ms	4K
Coding	F	Too heavy	35.8 tok/s	5413 ms	6K
RAG	F	Too heavy	29.8 tok/s	11810 ms	12K
Reasoning	F	Too heavy	29.8 tok/s	7676 ms	6K

How Qwen3-Coder-Next (80B params) fits at each quantization level on RX 7900 XT 20GB (20.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	31.2 GB	Low	F0
Q3_K_S	3	39.2 GB	Low	F0
NVFP4	4

Upgrade options

MacBook Pro M3 Max 128GBBudget pick

C14.9 tok/s decode

~$2,499 MSRP

MacBook Pro M4 Max 96GBBest value

C21.4 tok/s decode

~$2,499 MSRP