Yeah, the article says that Apple is using the same Snapdragon modem that most current Android models are using. I couldn't tell you why the iPhones are faster, but Apple has historically been able to wring a lot of juice out of their devices. iOS needs and uses less RAM than Android, for example, and iOS has had low-latency MIDI for a decade or more, while many Android devices still struggle with it. But, who knows? Also, this speed test was only conducted in the U.S. and the U.K., so it's not necessarily the case that iPhones are faster at 5G everywhere.