Maybe I'm just out on my own on this, but my General consensus is that almost every Cherimoya has that classic Creamy Ice cream, dip with a spoon, texture once ripened. All are very sweet with that classic Cherimoya flavor. A few have very acidic flavors thrown in there giving Lemony and Pineapple flavors thrown into it....Those are *my* favorite... El Bumpo is King of the sweet Moyas, far more concentrated with a small amount of acidity for balance.
For the most part, many of the them taste almost identical in flavor, and differ only in outer appearance which may be more bumpy or more smooth, slightly sweeter, more or less seedy, small or large.... flavor is almost the same on many of them.