Cafewanda's road bike try-outs

The 9 speed will have the same range as an 8 speed cassette of identical range, the only difference is that the ratio is slightly closer than the 8 speed (less of a jump between each gear)

Ps. I am typsy.

and yet you make more sense than usual! (assuming you meant tipsy, not that you have some disease affecting your typing skills though this would explain a lot)