https://wallhaven.cc/w/k99qmq < The original size of this image was 1920х1980. https://wallhaven.cc/w/5dxjq9 < This is a stretched image. Not original.
https://www.deviantart.com/kuvshinov-ilya/art/Smile-597711431 The original has been deleted by the author, but the number of vertical pixels is indicated in description below the image (1080p).