We do know that AI's have at least some advantages. For example they're more accurate and orders of magnitude faster at floating point calculations. They'll also have communication interfaces with other (sub)systems that are way more precise and fast than anything we could manage. And then there's the perfect memory.

I imagine such advantages also come with at least a lower time bound on solving many classes of problems and presumably that would be experienced as an incomprehensibly smart intelligence. I imagine it'd feel like chess computers in most areas of life in that the AIs actions would feel impossibly perfect at all turns leaving us far behind in attempts to compete