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Sony Xperia Z5 hits 51° in Temp Check & Gaming Review



The Sony Xperia Z5 Premium was in the news when it was launched because of the 4K Display on the Smartphone. Yes, you heard it right, they launched two variants of the phone, while one of which offered you with 4K display. The one we are testing comes with a 1080P resolution, powered with the Famous Qualcomm Snapdragon 810 chipset. The last Smartphone we had reviewed with this chipset was the OnePlus 2 that easily passed the heating issues with the v2.1 chipset. We had similar hopes with the Z5 but certainly it looks like the brand has not done the homework in this department.

In order to test this, we went ahead with a 30 minute usage test to check the battery, performance & also the heating issues on the Phone. The tasks performed were very simple ones that included accessing Twitter, Periscope for a few minutes apart from playing two games for checking out their performance.

The first part of the test includes the gaming content where we tested out the performance of the device under gameplay. It was an interesting topic because the Snapdragon 810 is currently the most powerful chipset in the market. Combined with 3GB of RAM, the gaming on Xperia Z5 was as expected. There was no lag at all while playing the games like Riptide GP2 and Dead Trigger. Moreover, it was comfortable to hold the device because of its form factor.

Now moving on to the second part of the test, where we specifically talk about the battery stats. During the gameplay of around 10 minutes, the battery juice went from 68% to 51%, which is a straight 17% percent drop in the amount. That’s a huge for a gaming of just a couple of minutes. According to calculations, battery life should give at least 3 hours of screen-on-time on such heavy usage. Looking at how consumers generally don’t use their smartphone for that much heavy usage on regular intervals, it should give quite a good amount of battery life, lasting for the whole day.

The third part is where we addressed the heating on the Xperia Z5. You can’t deny the fact that it’s a waterproof smartphone, and thus possibly all vents are closed from where the heat would have a pass. OnePlus 2 uses the Snapdragon 810 processor, but the Chinese company claims they have used Second Generation 810 processor. While Sony hasn’t confirmed whether they have also used the same Second Generation processor or not, either way the device was getting heated up a lot.

We grabbed our infrared gun to see how much heating has been done within the usage for a couple of minutes. We were not surprised to see the temperature going up to 51 Degree, which is non-tolerable. And while recording a video if the temperature unusually rises, the app would automatically get closed before notifying you about that it would close now. If you’re one of those people who like to have a smartphone that doesn’t heat up a lot, then this is obviously not a recommended smartphone for you.

Sony Xperia Z5 - Camera Close Dialog Box

Some reports on the internet say that device heated up a lot when the device was used in Asia, they might be addressing the issue of the heated environment or maybe the different chipset being used by the company in different regions. But as far as we are informed, Sony is using the same chipsets worldwide on their Xperia Z5 smartphone.

So, this should answer those burning questions whether the Sony Xperia Z5 heats up a lot or not. Well, it does, and you have seen it in our tests.

Note: We have an Air Conditioned office where these videos were recorded & generally the temperatures average around 22° to 25°.


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