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All estimates are approximations based on mathematical models and public specifications. Actual performance may vary. Do not make purchasing decisions based solely on these estimates.

Data sourced from Hugging Face, Ollama, and official model documentation. Model names and logos are trademarks of their respective owners.

© 2026 Will It Run AI — Fase Consulting Ibiza, S.L. (NIF: B57969656)

Home/Qwen3.5 9B/on Mac Studio M2 Ultra 128GB

Can it run?

Can Mac Studio M2 Ultra 128GB run Qwen3.5 9B?

CUsable

Runs well

Using Q4_K_M in Ollama

Capabilities:

Fit status

Runs well

Decode

84.5 tok/s

TTFT

2291 ms

Safe context

67K

Memory

21.9 GB / 92.2 GB

Memory breakdown

Weights5.5 GB
KV Cache1.4 GB
Runtime1.2 GB
Headroom13.8 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingCRuns well84.5 tok/s3332 ms126K
ChatCRuns well84.5 tok/s1249 ms35K
CodingCRuns well84.5 tok/s2291 ms67K
RAGCRuns well84.5 tok/s4165 ms126K
ReasoningCRuns well84.5 tok/s2707 ms67K

Quantization options

How Qwen3.5 9B (9B params) fits at each quantization level on Mac Studio M2 Ultra 128GB (92.2 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
3.5 GB
LowD30
Q3_K_S
3
4.4 GB
LowD31
NVFP4
4
5.0 GB
MediumD31
Q4_K_M
4
5.5 GB
MediumD31
Q5_K_M
5
6.5 GB
HighD31
Q6_K
6
7.4 GB
HighD31
Q8_0
8
9.6 GB
Very HighD32
F16Best for your GPU
16
18.5 GB
MaximumD34

Get started

HuggingFace
huggingface-cli download hf-unsloth--qwen3-5-9b-gguf
See all results for Mac Studio M2 Ultra 128GBSee all hardware for Qwen3.5 9B