Skip to content

text model · Qwen2.5 · iOS

Can I run Qwen2.5 7B on iPhone 16?

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

No. Qwen2.5 7B needs ~6.1 GB even at Q4_K_M, but iPhone 16 only has ~4.5 GB usable.

Needs ~6.1 GB Device usable ~4.5 GB

Needs ~6.1 GB even at Q4_K_M, but only ~4.5 GB is usable.

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

The gap is about 1.6 GB: Qwen2.5 7B needs roughly 6.1 GB at Q4_K_M and iPhone 16 leaves only about 4.5 GB usable for a model. The lightest tracked hardware that runs Qwen2.5 7B is the Nvidia GeForce RTX 3060 (12GB) at 12 GB. See Qwen2.5 7B on Nvidia GeForce RTX 3060 (12GB).

Q4_K_M needed
~6.1 GB
Usable on device
~4.5 GB
Device memory
8 GB
Share on X Share on Reddit

Which quant fits

Quant ladder vs ~4.5 GB usable
Q2_K
~4.3 GB
Q3_K_M
~4.8 GB
Q4_K_M
~6.1 GB
Q5_K_M
~6.4 GB
Q6_K
~7.1 GB
Q8_0
~9.5 GB
FP16
~15.4 GB
The line marks iPhone 16's ~4.5 GB budget; rungs past it are too large.

How to run it

On iOS use Apple Foundation Models (Built into iOS 26, ~3B on-device model, zero download, fully private.).

Model Qwen2.5
Parameters
7B
Q4_K_M size
4.68 GB
Q8_0 size
8.1 GB
Context
128k
Ollama tag
qwen2.5:7b
Full Qwen2.5 7B requirements →
Device iOS
Memory
8 GB unified
Usable for weights
~4.5 GB
Power draw
~11 W
Best runtime
llama.cpp + Metal (via PocketPal or Off Grid app)
Best models for iPhone 16 →

What you can run instead

Run Qwen2.5 7B on other hardware

FAQ

Can iPhone 16 run Qwen2.5 7B?

No. Qwen2.5 7B needs ~6.1 GB even at Q4_K_M, but iPhone 16 only has ~4.5 GB usable.

How much memory does Qwen2.5 7B need?

iPhone 16 does not have enough memory. At Q4_K_M the weights are ~4.68 GB; with KV cache and runtime overhead, budget ~6.1 GB at a 4k context.

What is the best tool to run Qwen2.5 7B on iOS?

On iPhone and iPad, Apple Foundation Models (Built into iOS 26, ~3B on-device model, zero download, fully private.) is the standard choice. Phones realistically run 1B-4B class models. Anything larger thermally throttles or OOMs.

Embed this

Qwen2.5 7B on iPhone 16 compatibility badge A live badge for your model card or README, updated as the data is.
Markdown
$ [![Qwen2.5 7B on iPhone 16](https://localmodel.run/badge/qwen2.5-7b/iphone-16.svg)](https://localmodel.run/can-i-run/qwen2.5-7b/iphone-16)

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.