Skip to content
localmodel.run

text model · phi · Android

Can I run Phi-4 14B on Samsung Galaxy S25 Ultra (16GB, 1TB config only)?

Compatibility verdict VRAM threshold engine
Yes, but tightslow on this hardware

Yes. Phi-4 14B runs on Samsung Galaxy S25 Ultra (16GB, 1TB config only) at Q4_K_M (~10.8 GB of ~12 GB usable).

Needs ~10.8 GB Device usable ~12 GB

Fits at Q4_K_M (~10.8 GB of ~12 GB usable) but with little headroom, close other apps.

Q4_K_M needed
~10.8 GB
Usable on device
~12 GB
Device memory
16 GB
Best quant
Q4_K_M

How to run it

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

Model phi
Parameters
14B
Q4_K_M size
9.05 GB
Q8_0 size
15.58 GB
Context
16k
Ollama tag
phi4:14b
Full Phi-4 14B requirements →
Device Android
Memory
16 GB ram
Usable for weights
~12 GB
Best runtime
llama.cpp (PocketPal) or MLC-LLM (Adreno GPU path)
Best models for Samsung Galaxy S25 Ultra (16GB, 1TB config only) →

You could also run

Run Phi-4 14B on other hardware

FAQ

Can Samsung Galaxy S25 Ultra (16GB, 1TB config only) run Phi-4 14B?

Yes. Phi-4 14B runs on Samsung Galaxy S25 Ultra (16GB, 1TB config only) at Q4_K_M (~10.8 GB of ~12 GB usable).

How much memory does Phi-4 14B need?

It is a tight fit on Samsung Galaxy S25 Ultra (16GB, 1TB config only). At Q4_K_M the weights are ~9.05 GB; with KV cache and runtime overhead, budget ~10.8 GB at a 4k context.

What is the best tool to run Phi-4 14B 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.

Sources

Memory figures are estimates. See methodology.