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by neomantra 618 days ago
I actually researched this a bit right when it came out.... I can't find my source now, but Vision Pro has its own SOC with an M2 CPU with a "2.5" GPU (between M2 and M3 families, like M2 with some goodies). Oddly, Vision isn't discussed in the handy Metal Feature Set Table [1].

The GPU Family Apple7 was the first with Mesh Shader support, but as you noted it might be software fallbacks down there.

I did just check with my Vision Pro and I get MTLGPUFamily [2] up to apple8, which does correspond to other M2 devices. I probed a max amplification count of 8.

[1] https://developer.apple.com/metal/Metal-Feature-Set-Tables.p...

[2] https://developer.apple.com/documentation/metal/mtlgpufamily

1 comments

No it’s a standard M2. You can probe all the values that are exposed to software and it’ll line up. People have done tear downs and the SoC is the same size as a regular M2, which wouldn’t be possible otherwise.