We've seen our share of head-to-head YouTube speed tests of the latest smartphones, but there's always an extra 5 minutes for another one. In this case, it's the OnePlus 5 vs. the HTC U11 and the Samsung Galaxy S8 - a battle of the 835 Snapdragons, if you will. In this iteration, it's 20 apps run in succession on the three phones, against the clock. A second round is performed to see how quickly the phones can access the apps already launched on the first go - RAM management is key for this one. Oh, and the amount of RAM too, of course - 8GB for the OP5, half that for the S8 and...
Source: http://www.gsmarena.com/oneplus_5_defeats_htc_u11_and_galaxy_s8_in_battle_of_snapdragon_835s_speed_test-news-25813.php