Ancient? Ha!
The Moto G5s Plus is simply a deluxe special-edition model of the G5 Plus
featuring an improved dual (color and monochrome) rear camera and a better
front-view selfie camera too, though in the process it loses the
magnetometer sensor that the regular G5 Plus has. The G5s Plus ships with
Android 7.1 while the G5 Plus ships with Android 7.0 (but will be upgraded
to Android 7.1).
But the chipset, cpu and graphic processors of the two phones are exactly
the same, so the overall performance will be basically the same.
Simply put, the Moto G5s Plus is simply the deluxe (and a more expensive)
version of the Moto G5 Plus but that by itself does not make the Moto G5
Plus "ancient".
:)
- Peter