According to GPU Check, the RX570 was able to run games at 1080p and 144 Hz on a 24" ViewSonic XG240R gaming monitor. While not 180Hz, it’s comparable. The RX570 has recommended resolutions of 1920x1080, 2560x1440, or 3840x2160 as well. It seems like it’s a solid choice based on your needs and isn’t insanely expensive either.