Size of PS5 next to other consoles (Source: Eurogamer) : r/PS5
Should You Upgrade To The PS4 - PlayStation 3 VS PlayStation 4 - YouTube
PS5 vs PS3: Design, Size, Ports, Construction Comparison - Hardcore Gamer
Amazon.com: TPLTECH AC Power Cord for Xbox One S, Xbox One X, Xbox Series X/S, Sony PS3 Slim / PS4 / PS5 Playstation 4 Slim Power Supply Cable Replacement : Electronics
Wait for PS4 slim or buy PS4 now? | Page 2 | NeoGAF
The difference in size is still pretty crazy, the Slim is really compact : r/PS4
Which is better, the PS4 or the PS4 Slim? - Quora
PS4 Pro vs. PS4 Slim: Which PlayStation is Right For You? | Tom's Guide