Samsung Galaxy S7 Edge vs LG G5: Battery performance test and comparison

Flagships Samsung Galaxy S8 Edge and LG G6 are expected to be launched before the first quarter of this year ends. Before both electronics giants release the successors of their current respective flagships, let’s see how the Samsung Galaxy S7 Edge and the LG G5 fare against each other in a battery performance test.

The non-removable 3,600 mAh lithium-ion battery of the Samsung Galaxy S7 Edge is enough for approximately 27 hours of talk time and 74 hours of music play. It can withstand 24 hours of moderate to heavy usage with roughly 25 percent to 35 percent power to spare. The Galaxy S7 Edge also offers outstanding standby time, but battery life can go downhill rather quickly when it is used for burdensome tasks like gaming.

The Samsung Galaxy S7 Edge only eats up about 2 percent of battery life on overnight standby due to Android Marshmallow’s Doze feature. The Samsung flagship also takes just 90 minutes to reach 100 percent using the packaged power adapter. Wireless charging technology is available on the S7 Edge.

The LG G5, meanwhile, sports a 2,800 mAh detachable lithium-ion cell. It delivers up to 20 hours of phone calls and 400 hours of standby time. The LG flagship can last a day’s worth of use and still have 10 percent battery life to spare by bedtime.

The LG G5 also has an energy efficient standby time that allows just 3 percent of power to drop overnight. The G5 also has Qualcomm’s Quick Charge 3.0 technology, which allows the handset to be completely charged within one hour. Unlike the Samsung flagship, the G5 has no wireless charging support.

When TechRadar put the Samsung Galaxy S7 Edge and the LG G5 to a battery performance test using the “Pokémon Go,” the Samsung handset completely dominated the LG smartphone. Both devices were left to drain away under the same circumstances: on full brightness, no other background apps running, on same Wi-Fi connection and with GPS turned on. After only 3 hours and 6 minutes of gameplay, the G5 was worn out. The Galaxy S7 Edge, on the other hand, still had 4 percent remaining battery life after 5 straight hours of “Pokémon Go.”

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