The convertible is essentially a ProBook x360 440 G5 but with 360-degree hinges and a 1080p touchscreen. Its 14-inch form factor and relatively inexpensive starting price will set it directly against the Lenovo ThinkPad 14 and Dell Inspiron 14 5000 series when it launches before the end of June.
https://www.notebookcheck.net/HP-ProBook-x360-440-G1-convertible-integrates-both-Spectre-and-EliteBook-features-for-600-USD.307816.0.html