The 386 brought a 32-bit mode of operation and the ability to address 4GB of memory; however, the 32-bit mode was rarely used until Windows 95 was introduced. In late 1989, the 486 came out ...

and which runs Windows 95 from a CF card. It’s slow because it’s an embedded version of the 386 variant with a 16-bit bus originally brought to market as a chip that could work with 16-bit 286 ...