iPhone/iPad 16GB RAM + 64GB hardware local LLM ROM. Apple can phrase it as both a benefit and a reason to upgrade and reduce its costs over suddenly bumping RAM by 400%.
My guess is that M4 and forwards will not be so much about CPU and GPU performance but have some sort of local LLM in ROM. So every year you should upgrade to get the best hardware LLM ever released.
Maybe Apple could market this thing simply as a hi-res monitor and focus only on productivity side. If they have dual 5K displays and lenses, that seems like a safer bet and avoid the metaverse and gaming altogether. They charged more than 3000 for their pro monitors.
Recently they have Wi-Fi 6E across new products and it could be for pushing compressed pixels to the headset which needs only to be a thin client like the studio display.