John,
Since the recent release of the new iFly 740b GPS unit we have been getting a lot of questions regarding the differences and similarities between the iFly740 and iFly 740b models. Yes the touch screens are still the same. You can command the screen with gloves on.
The main difference between the iFly 740 and the newly released iFly 740b is screen brightness. Both are very sunlight readable. The iFly 740 model has a 1300 nit display compared to the iFly 740b model with a 1100 nit display screen. The difference is 200 nits of overall display brightness. The difference of 200 nits can be found in the tone of the screen. The iFly 740 has a ‘warmer’ tone screen vs. a ‘cooler’ tone 740b screen.
The similarities are that internals are almost identical as far as processing capabilities and battery life. The 740b is the same size as the 740. They both use the same mounting bracket equipment. All of the power accessories are the same for each iFlyGPS units (520, 700, 720, 740b, 740).
Check out this photo pulled directly from our Facebook page https://www.facebook.com/AdventurePilot/ of unit comparisons!
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-JJ