The raw terrain texture and height data is probably a bit lower res in most cases. Some places have photogrammetry, in which case it looks pretty good and looks similar. Outside those areas, which is limited to mostly major cities, any structure you see is auto-generated using some AI algorithm. It looks at the satellite images, open street map metadata and more and guesses what kind of structure matches best. Cities generated that way look ok, unless you fly too close :)
