To be fair the city builders I play the most are usually the older ones anway. Nothing beats the old Sierra games for me in the genre, spent countless hours playing the likes of Caesar, Pharaoh, Emperor: Rise of the Middle Kingdom. Then also the whole Anno and Tropico series. From the newer ones, I played Banished and Dawn of Man; while enjoyable, I still never feel the urge to get back to playing them. Surviving Mars was the only new-ish one that I really really enjoyed and played repeatedly; you build a space colony instead of a city there but everything else still applies. If I can run it on my ancient laptop, then your PC is surely good enough too Would highly recommend it.
Also been waiting for Ancient Cities for years now, have very high hopes for that one but it will probably end up in disappointment haha.