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text model · Kimi · Android

Can I run Kimi K3 on Samsung Galaxy S25 Ultra (16GB, 1TB config only)?

Compatibility verdict VRAM threshold engine
No, not enough memory would not load

No. Kimi K3 needs ~1522.2 GB even at Q4_K_M, but Samsung Galaxy S25 Ultra (16GB, 1TB config only) only has ~12 GB usable.

Needs ~1522.2 GB Device usable ~12 GB

Needs ~1522.2 GB even at Q4_K_M, but only ~12 GB is usable.

That figure is at a 4k context and moves about ±15% as context length changes.

The gap is about 1510.2 GB: Kimi K3 needs roughly 1522.2 GB at Q4_K_M and Samsung Galaxy S25 Ultra (16GB, 1TB config only) leaves only about 12 GB usable for a model. No single tracked device has enough memory; Kimi K3 needs a multi-GPU or high-memory rig.

Q4_K_M needed
~1522.2 GB
Usable on device
~12 GB
Device memory
16 GB
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Which quant fits

Quant ladder vs ~12 GB usable
Q2_K
~1186 GB
Q3_K_M
~1382 GB
Q4_K_M
~1522.2 GB
Q5_K_M
~2008.5 GB
Q6_K
~2309.5 GB
Q8_0
~2988.5 GB
FP16
~5613.5 GB
The line marks Samsung Galaxy S25 Ultra (16GB, 1TB config only)'s ~12 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 Kimi
Parameters
2800B (MoE, 104B active)
Q4_K_M size
1508.67 GB
Context
1000k
Full Kimi K3 requirements →
Device Android
Memory
16 GB ram
Usable for weights
~12 GB
Power draw
~8 W
Best runtime
llama.cpp (PocketPal) or MLC-LLM (Adreno GPU path)
Best models for Samsung Galaxy S25 Ultra (16GB, 1TB config only) →

What you can run instead

FAQ

Can Samsung Galaxy S25 Ultra (16GB, 1TB config only) run Kimi K3?

No. Kimi K3 needs ~1522.2 GB even at Q4_K_M, but Samsung Galaxy S25 Ultra (16GB, 1TB config only) only has ~12 GB usable.

How much memory does Kimi K3 need?

Samsung Galaxy S25 Ultra (16GB, 1TB config only) does not have enough memory. At Q4_K_M the weights are ~1508.67 GB; with KV cache and runtime overhead, budget ~1522.2 GB at a 4k context. It is a Mixture-of-Experts model (2800B total / 104B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run Kimi K3 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.