2340: Full _top_ Hd Video 1080 X
YouTube processes videos based on the height . A video uploaded at 1080 x 2340 will be labeled as "2340p" in YouTube Studio, not "1080p." This can confuse users expecting standard Full HD. YouTube will also re-encode your video, and the 19.5:9 ratio may display with weird padding on desktop browsers.
standard resolution for many modern smartphones with an elongated 19.5:9 aspect ratio 1. Understanding the Aspect Ratio Standard Full HD is (16:9). The full hd video 1080 x 2340