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text model · Qwen2.5 · Android

Can I run Qwen2.5 3B on Generic Android Phone (8GB RAM)?

Compatibility verdict VRAM threshold engine
Yes, it runs usable speed

Yes. Qwen2.5 3B runs on Generic Android Phone (8GB RAM) at Q4_K_M (~3.3 GB of ~4.5 GB usable).

Needs ~3.3 GB Device usable ~4.5 GB

Runs at Q4_K_M using ~3.3 GB of ~4.5 GB usable.

That figure is at a 4k context and moves about ±15% as context length changes. Generic Android Phone (8GB RAM) leaves ~1.2 GB of headroom.

Q4_K_M needed
~3.3 GB
Usable on device
~4.5 GB
Device memory
8 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~4.5 GB usable
Q2_K
~2.5 GB
Q3_K_M
~2.7 GB
Q4_K_M
~3.3 GB
Q5_K_M
~3.4 GB
Q6_K
~3.7 GB
Q8_0
~4.8 GB
FP16
~7.4 GB
The line marks Generic Android Phone (8GB RAM)'s ~4.5 GB budget; rungs past it are too large.

How to run it

On Android use PocketPal AI (Polished app, download GGUF and run offline.).

Model Qwen2.5
Parameters
3.09B
Q4_K_M size
2.1 GB
Q8_0 size
3.62 GB
Context
128k
Ollama tag
qwen2.5:3b
Full Qwen2.5 3B requirements →
Device Android
Memory
8 GB ram
Usable for weights
~4.5 GB
Best runtime
llama.cpp (PocketPal or SmolChat)
Best models for Generic Android Phone (8GB RAM) →

You could also run

Run Qwen2.5 3B on other hardware

FAQ

Can Generic Android Phone (8GB RAM) run Qwen2.5 3B?

Yes. Qwen2.5 3B runs on Generic Android Phone (8GB RAM) at Q4_K_M (~3.3 GB of ~4.5 GB usable).

How much memory does Qwen2.5 3B need?

Generic Android Phone (8GB RAM) has room to spare. At Q4_K_M the weights are ~2.1 GB; with KV cache and runtime overhead, budget ~3.3 GB at a 4k context.

What is the best tool to run Qwen2.5 3B on Android?

On Android, PocketPal AI (Polished app, download GGUF and run offline.) is the go-to option. NPU acceleration is limited and chip-specific; most apps run on CPU. Expect 1B-4B class.

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Sources

Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.