ARKit tracking quality: differences between iOS devices and models?

Unity Engine
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1

We are experiencing differences in the tracking quality between iPad models.

In our app, we are overlaying real objects with their virtual visualization, so a minimal offset is easily noticeable. We are aware that this is pushing the limits of what is currently possible with current technology, but we have had quite good results so far.

We are also aware that properly initializing the scene (orbiting before starting the tracking) heavily affects the tracking quality, so we made sure this is not the source of the issue.

Now we found that iPad Pro 11’ 2. Gen works better than the new iPad Pro 11’ 3. Gen (with M1). Even an iPhone X works better than the new iPad Pro.

Did anyone experience anything similar?

2

I have noticed that on my iPhone, the ar camera background is sharper then on my iPad Pro. It seems to me that that could be the reason for tracking quality difference, but I’d also be interested in knowing more about this