In the past, the sound of the top iPhone X and Galaxy Note 8 smartphones was measured on the YouTube channel, and then the apple device received prize points for good volume, powerful bass, clear mids and highs, but is it still the leader to this day? Initially, the dominant factor in the iPhone X was the presence of an additional speaker on top, responsible for stereo sound. But now Samsung has released fresh flagships that boast a similar skill. As a result of testing, the iPhone X proved to be the best at reproducing the entire mid-range. But the sound of bass at the same level for both smartphones. iPhone scored more piercing high frequencies. Indeed, this advantage is up to the users themselves to decide. The Samsung Galaxy S9, however, sounds louder than its competitor. But the speakers of the smartphone work unevenly: the top is quieter than the bottom (the same problem in iPhone 7 and 8). The iPhone X also has a pleasant, uniform sound from the speakers.