The phone comes with a 6.39-inch touchscreen display with a resolution of 1080×2340 pixels and an aspect ratio of 19.5:9.
Mi 9T is powered by a 1.8GHz octa-core Qualcomm Snapdragon 730 processor that features 6 cores clocked at 1.8GHz and 2 cores clocked at 2.2GHz. It comes with 6GB of RAM.
The Mi 9T runs Android Pie and is powered by a 4000mAh battery. The Mi 9T supports proprietary fast charging.
As far as the cameras are concerned, the Mi 9T on the rear packs a 48-megapixel primary camera with an f/1.75 aperture and a pixel size of 1.6-micron; a second 8-megapixel camera with an f/2.4 aperture and a pixel size of 1.12-micron and a third 13-megapixel camera with an f/2.4 aperture and a pixel size of 1.12-micron. The rear camera setup has autofocus. It sports a 20-megapixel camera on the front for selfies, with an f/2.2 aperture and a pixel size of 0.8-micron.
The Mi 9T runs MIUI 10 based on Android Pie and packs 64GB of inbuilt storage. The Mi 9T is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards.
Connectivity options on the Mi 9T include Wi-Fi 802.11 a/b/g/n/ac, Bluetooth v5.00, NFC, Infrared, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE networks in India) with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor. The Mi 9T supports face unlock.
The Mi 9T measures 156.70 x 74.30 x 8.80mm (height x width x thickness) and weighs 191.00 grams. It was launched in Carbon Black, Flame Red, and Glacier Blue colours. It bears a glass body.