https://www.cnet.com/news/not-all-iphone-xs-are-created-equal/ >iPhone X models with Qualcomm hardware showed faster LTE speeds than models with Intel hardware, according to a PCMag exclusive based on lab testing by Cellular Insights. >The study compared performance on LTE Band 4, which is used by most US phone carriers, and showed that when signals were weak (less than -85 dBm), the Qualcomm modem consistently achieved faster speeds. Both models stopped working completely around the same signal strength (-129 dBm), but Qualcomm was faster throughout the testing.