Can Qwen3.5 27B run on Radeon Pro W7800 32GB?

YES — Runs Great

C52Usable
Estimated from fit model

Qwen3.5 27B needs ~23.7 GB VRAM. Radeon Pro W7800 32GB has 32.0 GB. With Q4_K_M quantization, expect ~21 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: MediumStack: StandardBottleneck: Balanced
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Operating mode

Choose the run profile you care about

Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.

Current mode

Balanced

Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) 23.7 GB, 20.6 tok/s, Runs well
23.7 GB required32.0 GB available
74% VRAM used

Fit status

Runs well

Decode

20.6 tok/s

TTFT

9383 ms

Safe context

58K

Memory

23.7 GB / 32.0 GB

Memory breakdown

Weights16.5 GB
KV Cache3.2 GB
Runtime0.9 GB
Headroom3.2 GB

See how fast it feels

See how fast it feelsQwen3.5 27B on Radeon Pro W7800 32GB
1st promptCold start — includes initialization
>What is local AI inference?
Local AI inference means running an AI language model directly on your own hardware — your laptop, desktop, or server — instead of sending requests to a remote cloud API. When you run inference locally the model weights are loaded into your GPU or unified memory. Each token you generate requires reading those weights from memory, so memory bandwidth is the main bottleneck for decode speed. Key benefits of running locally: - Full privacy: your prompts never leave your machine - No per-token cost or rate limits - Works offline once the model is downloaded - Latency depends only on your hardware
2nd promptWarm — model ready, no init overhead
>How much VRAM do I need?
It depends on the model size and quantization level. A rough rule of thumb: Model size Q4 (4-bit) Q8 (8-bit) FP16 7B params ~4.3 GB ~7.5 GB ~14 GB 13B params ~7.9 GB ~13.9 GB ~26 GB 70B params ~42.7 GB ~74.9 GB ~140 GB Most people use 4-bit quantization (Q4_K_M) which gives 90-95% of full quality at a fraction of the memory. A 24 GB GPU can comfortably run most 7B-13B models.
Estimated: 20.6 tok/s decode · 9.4s TTFT (warm) · 52 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

No major red flags

This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.

Best improvement path

Performance by workload

WorkloadGradeFitDecodeTTFTContext
ChatCRuns well20.6 tok/s5118 ms58K
CodingCRuns well20.6 tok/s9383 ms58K
Agentic CodingCTight fit20.6 tok/s13647 ms58K
ReasoningCRuns well20.6 tok/s11089 ms58K
RAGCTight fit20.6 tok/s17059 ms58K

Quantization options

How Qwen3.5 27B (27B params) fits at each quantization level on Radeon Pro W7800 32GB (32.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
10.5 GB
LowC47
Q3_K_S
3
13.2 GB
LowC48
NVFP4
4
15.1 GB
MediumC49
Q4_K_M
4
16.5 GB
MediumC50
Q5_K_M
5
19.4 GB
HighC50
Q6_KBest for your GPU
6
22.1 GB
HighC49
Q8_0
8
28.9 GB
Very HighF0
F16
16
55.4 GB
MaximumF0

Get started

Copy-paste commands to run Qwen3.5 27B on your machine.

Run

docker run --rm -it ghcr.io/ggerganov/llama.cpp:full \ --hf-repo "unsloth/Qwen3.5-27B-GGUF" \ --hf-file "Qwen3.5-27B-GGUF-Q4_K_M.gguf" \ -c 4096 -ngl 99

Upgrade-Optionen

Hardware, die Qwen3.5 27B gut ausführt

Frequently asked questions

Can Radeon Pro W7800 32GB run Qwen3.5 27B?

Yes, Radeon Pro W7800 32GB can run Qwen3.5 27B with a C grade (Runs well). Expected decode speed: 20.6 tok/s.

How much VRAM does Qwen3.5 27B need?

Qwen3.5 27B (27B parameters) requires approximately 23.7 GB of memory with Q4_K_M quantization.

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

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

What speed will Qwen3.5 27B run at on Radeon Pro W7800 32GB?

On Radeon Pro W7800 32GB, Qwen3.5 27B achieves approximately 20.6 tokens per second decode speed with a time-to-first-token of 9383ms using Q4_K_M quantization.

Can Radeon Pro W7800 32GB run Qwen3.5 27B for coding?

For coding workloads, Qwen3.5 27B on Radeon Pro W7800 32GB receives a C grade with 20.6 tok/s and 58K context.

What context window can Qwen3.5 27B use on Radeon Pro W7800 32GB?

On Radeon Pro W7800 32GB, Qwen3.5 27B can safely use up to 58K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for Radeon Pro W7800 32GBSee all hardware for Qwen3.5 27B
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