The Android 7.0 Nougat update for the Samsung Galaxy S7 edge is here and we've covered the software changes at length. We've also promptly retested battery life since the update is a relatively major change. All tests were performed on the international Exynos 8890 version. We observed a significant drop in Wi-Fi browsing longevity, to the tune of 3 full hours. The new result on Nougat (again, on the Exynos version of the handset) is close to what the Snapdragon 820 version could achieve on Marshmallow. Still, what was a truly excellent web browsing endurance before, is now just a ‘good...
Source: http://www.gsmarena.com/samsung_galaxy_s7_edge_battery_life_on_android_70-news-23204.php
