That would mean 2 significantly different 16" MBPs in the same year. My thinking here is that it would be quite odd if they released a 14" MacBook Pro which is faster than the more expensive current 16" model.
This first launch is going to be the most scrutinized & criticized Mac Apple has launched in years. Apple knows this and they are going to put a beefy CPU in their new machine to silence the critics. If they can't beat Intel performance at launch, what are the chances they are going to be able to beat them a year down the line?
And since it would be quite weird to have the smaller MacBook be the better/ faster iOS development machine, it seems like the 16" is pretty likely. Maybe not launch day, but within the first few months at the latest.
They might keep the Intel based MacBook around and sell them at the same time, but I doubt it will be the only 16" MacBook they sell for long. It just doesn't make any sense.
https://www.reddit.com/r/hardware/comments/hgahzx/apple_gpu_...
Why? The 2015 15" came with an integrated GPU option (and that was by far the most popular SKU, AFAIK).
It's certainly the tougher nut to crack.
The rest of the PowerPC line was brought to Intel within the calendar year, and iMacs and MacBook Pros received an additional refresh replacing the Core Duos with Core 2 Duos later in the year.
At the time I remember thinking the release cadence for which models they transitioned over made perfect sense. You could make a strong argument for them to follow a similar roadmap this time around because while Macs have changed substantially since then, each Mac’s place within the lineup has not changed very much, although a MacBook Pro and a new ultra-thin MacBook around the same to show off the advantages of Apple’s chips on both sides ends of the performance per watt spectrum wouldn’t surprise me.
For similar reasons, I don't think the iMac was ever slated to be the first Apple Silicon machine. The desktop form-factor just doesn't highlight the benefits of the new architecture the way a laptop does. Since they sell a lot more laptops than desktops, it's likely they don't even have a desktop specific CPU ready at launch time. That'll come next year or maybe even 2022 towards the tail end of their 2 year launch window.