only one of them has a robust caching algorithm;

See the Drive Playback Operation line item.

only one has a flexible running order model;

See the Playlist Support line item.

only one has a progmatically weighted [shuffle] algorithm;

See the Shuffle / Random Playback Modes line item.

and so forth.

and so forth.

Just because it's under the hood, doesn't mean the matrix didn't include it... it might be worded a little different, that's all.