RC, the "close to 800 hp" measurements are done using crappy measurement devices/techniques.
On the latest Maha MSR500 the 720 is where it is programmed and homologated from the factory.
These are pre tuning measurements on different 720s on different days on Maha MSR500
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997 GT2 2014 3.9 Mezger, 800PS @ 1.2 bar
2018 McLaren 720S
993 Turbo, 2006 built 3.8, 577PS/797NM, 1440kg DIN sold to a worthy enthusiast.