since Apple has now trumpeted out some groundbreaking news, after quickly checking what this is about i am still left riddled, since all the sources i have found just ruminate what has been said by apple on their launch. so here the big question, is that anything we can use for Rhino, should i be throwing my stupid expensive Studio M1 Ultra out the window already?
The initial ship date for the M3 I gather is next week.
I’m at a loss to understand how anyone here could possibly know what you’re asking since no one has one yet.
We will eventually purchase one and see.
I suspect other people; perhaps like yourself, will also buy them and let us know what benefits or problems they run into.
That’s how we find out, just like everybody else.
Sorry I’m not more help
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so you are saying that my question is of utter indelicacy? 
i am asking because if at all i shine anywhere most, most certainly not at computer science. hardware accelerated raytracing just sounds like something somebody working at McNeel knows certainly far more about, i hope at least, otherwise i should switch to Microsoft Word for doing CAD from now on 
Accelerated hardware raytracing is something that most GPUs are capable of, certainly recent generation Nvidia, AMD, and Intel hardware. It’s just that Apple has done it now, so it is revolutionary… again.
Rhino I think will already to hardware acceleration using CUDA/OptiX from Nvidia (as it is Cycles engine).
You can find examples on YouTube to see it in use. 
Not at all. Just that no one here has any insights into the realities behind (if any), Apple’s marketing hype.
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that option practically does not exist anymore, the support from Nvidia was dropped many years ago and V8 has a system OS requirement way above the last supported version.
the question is obviously about the general idea and knowledge, i would never trust myself in even trying to speculate in realms of marketing at Apple.
so whats the story… being a coach potato till reality hits? or anybody willing to shed some meshes into this topic…
There’s only iMacs and MacBook Pros that are getting the M3 for now. The top-of-the line M3 Max is about on par with the M2 Ultra.
You’ll have to wait for the refreshed M3 Ultra to see some improvments.
Check here Geekbench Search - Geekbench
Single/multi-core, approx.:
M3 Max: 3000/21000
M2 Ultra: 2800/21000
M1 Ultra: 2400/18000
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good to know that i am not that far behind. i am not benchmark fan usually, if the computer feels good its ok, also till beginning of this year i still worked on a 2014 macbook pro and felt little significant difference in rendering on the m1 till the new cycles came out. i worked at a company where the new cycles would have been dearly needed instead of the fastest mac out there. peaking over to windows machines was coming and going and for a while i even followed the volterra project from microsoft because i never felt that its rolling on the mac side.
but what interests me more is if realtime raytracing or mesh shading eventually could be a thing for Rhino, was that ever a thing in Rhino? was that ever a thing in any app other than games? or am i just misunderstanding all that.
ok, so diving a bit into the empty abyss of google, i found a bit info on Mesh Shading, in this link the first comments explains quite succinct what its all about. here some more info about it.
it sounds pretty interesting. we basically are stuck in stone age without it
I am very happy that they finally introduced it. A friend of mine bought a CPU&GPU spected out M3 Max (48GB only though) 14" MBP, which arrives in two weeks.
Let me know if you want me to test some benchmarks.
In the meantime you could do some extrapolation looking at the Blender Benchmark scores of the M2 Max and multiplying them with 1.8-2x(?). That would put the M3 Max close to an Nvidia RTX 4070 Laptop GPU.
I will test it myself once it arrives.
Mesh shading is very similar to tessellation shading which we already use in order to drawn wires/curves.