PS5's PS4 backward compatibility works like a charm - Polygon

PlayStation 5 plays PS4 games with steadier frame rates, faster load times, and only some minor concerns through backward compatibility. Our impressions of PS4 games on PS5, and the DualSense controller, are here.

PS5 Backwards Compatibility - Will PlayStation 5 Play PS4 Games?

PlayStation 5 Will Be Backward Compatible With '99%' of PS4 Games, Sony Confirms - Gamer Tweak

PS5 will be backward-compatible with 'almost all' of the best PS4 games at launch

Guide: All PS4 Games That Have PS5 Backwards Compatibility Issues - PlayStation Universe

Hands On: PS5 Backwards Compatibility - The Good, the Not Bad, and the Ugly

Search - PS4 & PS5 Backwards Compatible

PS5 could be backward compatible with PS4 games

PS5 Backward Compatibility Warning Added To Every PS4 Game On PlayStation Store

PS5 Backwards Compatibility Can You Play PS4 Games on PS5?