I found both in our cupboard.
Borosilicate PYREX Glass has excellent thermal shock resistance. It does not expand or contract like ordinary Soda-Lime glass does when exposed to rapid changes in heat or cold. Unfortunately when Corning, Inc. sold off the PYREX® trademark it became pyrex® in America and the new company started using Soda-Lime Glass instead of Borosilicate Glass. The company that bought the PYREX® trademark for European use continues to make Borosilicate Glass PYREX.This 2-minute Consumer Reports video uses extreme conditions to demonstrate the difference: