Is the AOC Q27G4ZMN good for competitive gaming?

Yes. The 240Hz refresh and 1ms GTG response make it a strong fit for fast shooters, and the 1440p resolution keeps targets sharp. The main caveat is VA smearing in dark scenes, which some players notice more than others.

How does it compare with an IPS monitor at the same size?

It beats most IPS rivals on contrast and HDR thanks to the VA panel and local dimming. IPS still wins on viewing angles and dark-scene response, so pick IPS if you often watch from an angle or play very dark fast games.

Does it work well with a PS5 or Xbox Series X?

It accepts 1440p at up to 120Hz over HDMI 2.0, which suits consoles fine. You will not get 4K or 120Hz at higher resolutions because the panel is 1440p and the HDMI ports are 2.0.

Is the local dimming worth it?

For HDR games and movies, yes. The 1152 zones give bright highlights and deep blacks that edge-lit monitors cannot match, though you may see some blooming around bright objects on dark backgrounds.

Can I adjust the height and angle?

Yes. The stand offers 130mm of height adjustment, and the panel tilts. It does not swivel or pivot to portrait on the included stand.

You get the monitor, its stand, a power cable and a DisplayPort cable. Check for an HDMI cable if you plan to connect a console, since it is not always included.