The site tested the smartphones using a variety of methods, including: PDF Load Time, Camera Open Time, Gaming Performance, Video Editing, Geekbench, Basemark OSII System, Basemark OSII Memory, 3DMark Ice Storm Unlimited, and Wi-Fi Speed.
Overall, it determined that the Samsung Galaxy S6 was the fastest device, followed by the LG G4, then the iPhone 6.
With its homegrown Exynos 7420 CPU, DDR4 memory and speedy UFS storage, the Samsung Galaxy S6 is the fastest phone you can buy right now. In both real-world tests and synthetic benchmarks, the S6 finished first in 6 out of 9 tests, and it never finished lower than third in the other three. So for those who need the best performance, your search ends at Samsung.
Take a look at the chart below and checkout a videos as well. Hit the link below for more details...