Originally Posted by hsuehhwa

It's hard to draw any conclusion with the data being presented: 1. huge difference in average powers, measured by two different methods: power meters and strava estimates based velocity and weight.

A more fair side-by-side comparison would require a pedal-based power meter, which you would use on both bikes, and a AeroPod that measures wind speed and drag coefficient. Without the equipment, maybe you should just focus on comparing the climb (~1.4 mi x 600 ft elev gain) in you ride.