No it would not be the same as a tempo workout. Tempos are classified as Zone 3 workouts, usually in the 76-90% of FTP. Good roady bike rides are good tempos++. Zone 4 workouts are in the 91-105% of your FTP. 4X9s, 2X20s, 1X45, 1X60 are workout examples. Zone 5 or VO2 workouts are in the 106-120% of your FTP. Short 3-5 min rep. will do you well here.