Buttons: On genuine units, icons are perfectly centered on the action buttons.
Logos: The Sony logo on authentic controllers is precisely aligned and not crooked.
Weight: Official controllers weigh approximately 215–223 grams; fakes are often noticeably lighter, typically under 200 grams.
Box Contents: Sony does not include a micro-USB charging cable in the standard DualShock 4 retail box. If a cable is visible inside, it is likely a replica.