I think the whole extra processing power think is simply to allow expansion of a unit way into the future which is a good thing but it comes with a big cost. The helix has been out now 2 yrs or so now? I am watching how far updates will take it? Another year or 2? Before new hardware and processing is required to get to a next level? Don't know
I dont know either. I looked into it and if I remember correctly, the Helix only had 2.2x the processing power as the HD500x. I expected it to be 10x. OTH, the HD500x had good algos already, its major shortcoming was the hardware and UI. The point is that five years ago, we were already near the point of having plenty of processor, its all down to the algos now.
Boss GT100 uses a single ESP2 chip. The katanas and the GT-1 also use a single ESP2. This is proprietary chip design used in many of their products and I wasn't able to find data on it. Its interesting that some of their "Cosm" synths use dual ESP2 chips, which might be the approach taken in GT1000 (which would double GT100 power). They also have a new DSP used in high end synths which may be used in the GT1000. All tbd.
I wouldn't be surprised if the GT1000 uses dual ESP2s, which would represent an increase in power similar to the Helix. A company like boss is likely to reuse existing platforms in multiple products, which is why the dual ESP2 seems likely to me.