Controller input lag comparison (more info in the comments) : r/RocketLeague
Amazon.com: Wireless Controller for PS4 Dualshocked 4 Game Controller Compatible with Playstations 4/Pro/Slim/PC Replacement Remote Gamepad Gaming Accessories Joystick Touch Pad Built-in Speaker with Type-C Cable : Video Games
PS4 Share Play impressions: Here, have a laggy Internet controller | Ars Technica
Guilty Gear Strive reportedly has 4 frames of input lag on PlayStation 4 while PC version provides potentially better results
Input Lag - RetroPie Docs
Nigel Woodall on Twitter: "Comparison of PC vs PS4 Guilty Gear Strive using Nvidia Reflex Latency Analyser. https://t.co/dcwSzotaqx https://t.co/T0U3SkDJJQ https://t.co/UisYgsHk9W" / Twitter
HOW TO FIX INPUT LAG ON MOUSE AND KEYBOARD ON PS4 *DECEMBER 2019* WORKING - YouTube