Complex sentence: It is a revision of the original PS4 hardware and features a streamlined form factor, being 40% smaller, and carries a rounded body with a matte finish on the top of the console rather than a two-tone finish.
Split into simpler sentences: It is a revision of the original PS4 hardware with a streamlined form factor. The new casing is 40% smaller, and carries a rounded body with a matte finish on the top of the console rather than a two-tone finish.