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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 RX 6900 XT 16GB

Can it run?

Can RX 6900 XT 16GB run Qwen3.5 9B?

CUsable

Runs well

Using Q4_K_M in Ollama

Capabilities:

Fit status

Runs well

Decode

53.2 tok/s

TTFT

3642 ms

Safe context

26K

Memory

9.7 GB / 16.0 GB

Memory breakdown

Weights5.5 GB
KV Cache1.4 GB
Runtime1.2 GB
Headroom1.6 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingBRuns well53.2 tok/s5297 ms46K
ChatCRuns well53.2 tok/s1987 ms14K
CodingCRuns well53.2 tok/s3642 ms26K
RAGBRuns well53.2 tok/s6622 ms46K
ReasoningCRuns well53.2 tok/s4304 ms26K

Quantization options

How Qwen3.5 9B (9B params) fits at each quantization level on RX 6900 XT 16GB (16.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
3.5 GB
LowD34
Q3_K_S
3
4.4 GB
LowD35
NVFP4
4
5.0 GB
MediumD36
Q4_K_M
4
5.5 GB
MediumD37
Q5_K_M
5
6.5 GB
HighD38
Q6_K
6
7.4 GB
HighD39
Q8_0Best for your GPU
8
9.6 GB
Very HighC42
F16
16
18.5 GB
MaximumF0

Get started

HuggingFace
huggingface-cli download hf-unsloth--qwen3-5-9b-gguf
See all results for RX 6900 XT 16GBSee all hardware for Qwen3.5 9B