Apparently, most of the last years top smartphones outperformed this years devices.
The Pixel 3 died an hour and a half earlier than the Pixel 2.
However, the report found that Google Pixel 3XL still performed better than both second-generation Pixels.
Credits- The Washington Post
In the case of Apple devices, the iPhone X managed to fare better than the Apple iPhone XS.
The battery of iPhone XS died a full 21 minutes earlier than that of the iPhone X.
In fact, the iPhone 8 Plus marginally won against both iPhone XS and XS Max.
Credits- The Washington Post
It was closely followed by Samsungs Galaxy Note 9.
Apparently, it was found that devices that are large in size have better battery life.
He then measured the time taken by each rig to go from 100 percent battery to empty.
source: www.techworm.net