Having choices is great, though again the comparison isn't exact: Vado 3.0 IGH has the CITY Enviolo (310%, 55Nm) and 50Nm Brose motor while the Samurai base has the HEAVY DUTY Enviolo (380%, 100Nm) and 85Nm Bosch motor.
As stated on that page you shared:
...the recommended motor model depends on youre [sic] desired vehicle speed. The faster wind motors are more appropriate for small wheel diameters and/or lower battery voltages, while the slower motor winds are more common with larger wheel sizes and higher...
Imitation is the sincerest form of flattery:
https://electra.trekbikes.com/international/en_IN_TL/bikes/electra-bikes/electra-e-bikes/attitude-go/caf%C3%A9-moto-go-mens/p/24562/
Question: on the home page, is the top bike also a Samurai? It looks different from the 3rd bike, which is labeled a Samurai. One noticeable difference is the angle the motor is mounted on the frame.
I'm not a fan of twist shifters. So, it'll have to be Rohloff for me. Plus, electronic shifting is the icing on top. But, of course you're paying for it.