Contrary to the two differences to the traditional dizi, the length and range of the xindi is similar to that of a G key Dà dí (大笛). Its range is also similar to the G range, which is common with the flute.
In contrast to the standard dizi in two areas, the xindi has a length and pitch span similar to that of a G key Dà dí. Its range is also comparable to that of the flute, which shares this characteristic with other wind instruments.