Can Ternary Bonsai 4B run on ROG Phone 9 Pro?

YESRuns great
Formula estimate

What this means

Our estimate says Ternary Bonsai 4B should fit comfortably on your ROG Phone 9 Pro.

Download the Q2_0 version, which is about 1.1 GB. We expect it to use about 2 GB of the roughly 20 GB available to a model on this phone.

At the estimated speed, a roughly 300-word answer may take about 13 seconds to finish.

This result is calculated from the phone and model specifications. It has not been measured on this exact phone and setup.

31.4tokens/s
estimated · instant
2GB
needed at Q2_0
Q2_0
quant checked
needs 2 GBusable 20 GB
Snapdragon 8 Elite24 GB RAMCPU / GPUAlso sold with 16 GB

See how fast it feels

Estimated at 31.4 tokens/s — instant. A ~300-word reply takes about 13 seconds on this phone.

Live demo · 31.4 tokens/s

Where the memory goes

ComponentDetailGB
Model weightsQ2_0 GGUF (1.1 GB) + mmap overhead1.2
KV cache4K context window0.3
Runtimellama.cpp + app overhead0.6
Total neededat Q2_0, 4K context2
Working budget24 GB RAM Android system reserve20
Headroomremaining inside the working budget18

Pick your quant

QuantDownloadVerdictSpeed
Q2_0 BEST HERE1.1 GB Runs great~31.4 tokens/s
Q2_0_g64 1.1 GB Runs great~31.4 tokens/s

Use the supported phone path

The model fits in memory, but this exact download is not a PocketPal model.

The current App Store and Play Store versions of PocketPal cannot load this tracked ternary file. Memory fit does not make this exact download beginner-ready.

For the same kind of chat in PocketPal, use this supported build instead:

Check Bonsai 27B (1-bit)

Related checks

More on ROG Phone 9 Pro
Qwen3 0.6BQwen3 1.7BLlama 3.2 1BLlama 3.2 3BGemma 3 1B
Ternary Bonsai 4B on other phones
Galaxy S25 UltraGalaxy S25Galaxy S24 UltraGalaxy S24Galaxy S23 Ultra