Both the Oppo Find X9 Pro and Xiaomi 17 Pro Max support 5G connectivity and are equipped with dual SIM card slots, allowing for expanded network options. Both devices also support NFC, USB Type-C, and have Wi-Fi capabilities, with the Oppo supporting Wi-Fi versions 4, 5, 6, and 7, while the Xiaomi includes Wi-Fi versions 4, 5, 6E, and 7. The Xiaomi offers Wi-Fi 6E, an extended version of Wi-Fi 6, which the Oppo does not have.
In terms of Bluetooth, the Oppo Find X9 Pro features Bluetooth version 6, while the Xiaomi 17 Pro Max is equipped with Bluetooth version 5.4. The Oppo has a slightly higher download speed at 10700 MBit/s compared to the Xiaomi's 10000 MBit/s. Both phones are equipped with a fingerprint scanner, GPS, compass, gyroscope, accelerometer, infrared sensor, and support for Galileo, ensuring excellent connectivity and navigation options.
There are a few distinctions in additional features: the Oppo Find X9 Pro offers emergency SOS via satellite, but the Xiaomi lacks this feature. The Xiaomi 17 Pro Max, however, includes a barometer, which the Oppo does not. Neither phone includes a built-in projector, HDMI output, 3D facial recognition, or an iris scanner. Both devices lack external memory slots, heart rate monitors, motion tracking, and optical tracking. Overall, the two phones have very similar connectivity and feature sets, with the key differences being in Bluetooth versions, Wi-Fi support, and the presence of the barometer and satellite SOS on the Oppo.