Can Qwen2.5 3B Instruct run on Radeon Pro W7900 48GB?

YES — Runs Great

C43Usable

Estimated from fit model

Qwen2.5 3B Instruct needs ~7.9 GB VRAM. Radeon Pro W7900 48GB has 48.0 GB. With Q4_K_M quantization, expect ~42 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: HighStack: StandardBottleneck: Balanced

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) — 7.9 GB, 42.0 tok/s, Runs well

7.9 GB required48.0 GB available

16% VRAM used

Fit status

Runs well

Decode

42.0 tok/s

TTFT

4610 ms

Safe context

1.8M

Memory

7.9 GB / 48.0 GB

Memory breakdown

Weights1.8 GB

KV Cache0.4 GB

Runtime0.9 GB

Headroom4.8 GB

See how fast it feels

See how fast it feelsQwen2.5 3B Instruct on Radeon Pro W7900 48GB
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: 42.0 tok/s decode · 4.6s TTFT (warm) · 105 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

Workload	Grade	Fit	Decode	TTFT	Context
Chat	C	Runs well	42.0 tok/s	2514 ms	1.8M
Coding	C	Runs well	42.0 tok/s	4610 ms	1.8M
Agentic Coding	C	Runs well	42.0 tok/s	6705 ms	1.8M
Reasoning	C	Runs well	42.0 tok/s	5448 ms	1.8M
RAG	C	Runs well	42.0 tok/s	8381 ms	1.8M

Quantization options

How Qwen2.5 3B Instruct (3B params) fits at each quantization level on Radeon Pro W7900 48GB (48.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.2 GB	Low	C42
Q3_K_S	3	1.5 GB	Low	C42
NVFP4	4

Get started

Copy-paste commands to run Qwen2.5 3B Instruct on your machine.

Run

lms load hf-qwen--qwen2-5-3b-instruct-gguf && lms server start

Upgrade options

Hardware that runs Qwen2.5 3B Instruct well

MacBook Pro M4 Max 96GBBudget pick

96 GB Unified (+48)

Adds memory headroom for longer context windows and future model growth.42 tok/s decode

Adds memory headroom for longer context windows and future model growth.

~$2,499 MSRP

MacBook Pro M3 Max 128GBBest value

128 GB Unified (+80)

Adds memory headroom for longer context windows and future model growth.42 tok/s decode

Adds memory headroom for longer context windows and future model growth.

~$2,499 MSRP

Frequently asked questions

Can Radeon Pro W7900 48GB run Qwen2.5 3B Instruct?

Yes, Radeon Pro W7900 48GB can run Qwen2.5 3B Instruct with a C grade (Runs well). Expected decode speed: 42.0 tok/s.

How much VRAM does Qwen2.5 3B Instruct need?

Qwen2.5 3B Instruct (3B parameters) requires approximately 7.9 GB of memory with Q4_K_M quantization.

What is the best quantization for Qwen2.5 3B Instruct?

The recommended quantization for Qwen2.5 3B Instruct is Q4_K_M, which balances quality and memory efficiency.

What speed will Qwen2.5 3B Instruct run at on Radeon Pro W7900 48GB?

On Radeon Pro W7900 48GB, Qwen2.5 3B Instruct achieves approximately 42.0 tokens per second decode speed with a time-to-first-token of 4610ms using Q4_K_M quantization.

Can Radeon Pro W7900 48GB run Qwen2.5 3B Instruct for coding?

For coding workloads, Qwen2.5 3B Instruct on Radeon Pro W7900 48GB receives a C grade with 42.0 tok/s and 1.8M context.

What context window can Qwen2.5 3B Instruct use on Radeon Pro W7900 48GB?

On Radeon Pro W7900 48GB, Qwen2.5 3B Instruct can safely use up to 1.8M tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for Radeon Pro W7900 48GB See all hardware for Qwen2.5 3B Instruct

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