Anyway RAGE engine from Rockstar (GTA IV+V, RDR 1+2) is probably one of the most advanced engines, so much details in rendering.
A detailed comparison of open world game engines would be interesting with focus on LOD, streaming and rendering techniques.
* RAGE (GTA5/RDR2)
* AnvilNext (AC:O, GR:Widelands)
* Frostbite3 (NfS:Payback, SW:Battlefront2)
* Just Cause 3
* Watch Dogs 2
* Mafia 2/3
* Dunia (Far Cry 4/5)
* Decima (Horizon Zero Dawn)
* Fox (MGSV)
* REDengine (Witcher 3)
* Minecraft (Java + new C++ Bedrock ed)
* Genome (Elex)
* Unreal 4 (PUBG)