Sony Xperia XZ
Sony Xperia XZ smartphone is presented at the IFA Electronics show in Berlin, Germany, September 2, 2016. Reuters/Stefanie Loos

The Xperia XZ, one of Sony’s latest releases, is without a doubt an improvement over popular flagship Xperia Z5. The XZ is the best handset Sony has produced so far, and it certainly deserves recognition. Let’s see how Sony’s best smartphone stacks up performance-wise against the best, period: the Samsung Galaxy S7.

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The Galaxy S7 packs a lithium-ion battery with 3,000 mAh capacity that provides 22 hours of phone calls and 62 hours of music play. The S7 can endure a whole day’s worth of steady usage and is fully charged within 75 minutes. The Samsung flagship can also be charged wirelessly. According to Trusted Reviews, the Samsung Galaxy S7 only drops 3 percent to 4 percent of its battery life when left unused overnight.

The Sony Xperia XZ’s non-removable lithium-ion battery has a slightly lower capacity compared to the Galaxy S7, closing in at 2,900 mAh. It delivers more than 17 hours of talk time and about 600 hours of standby time. During GSMArena’s test, the Xperia XZ even surpassed its regular call extent, lasting up to 23 hours and 29 minutes. It also has Qualcomm Quick Charge 3.0 that allows the handset to be charged quickly.

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The Samsung Galaxy S7 and the Xperia XZ was recently put to a chain of battery performance tests by TechRadar. The tests consisted of web browsing, heavy gaming, YouTube play and native video play. Following an hour and a half of web browsing, the Xperia XZ had 68 percent remaining battery life whereas the Galaxy S7 had 62 percent. After another hour and a half of YouTube playback, the S7 took the lead with 41 percent left in its battery. The Xperia XZ was left with 38 percent.

The gaming test further wore out the two handsets, leaving the Galaxy S7 with 10 percent and the Xperia XZ with only 3 percent. Following the native video play, the Sony Xperia XZ was completely drained and totalled 4 hours and 45 minutes of punishing workload. The Samsung Galaxy S7, on the other hand, blew past the Sony smartphone and lasted a total of 5 hours and 21 minutes.