Huawei Mate X3 mobile was launched on 23rd March 2023. The phone comes with a 120 Hz refresh rate 6.40-inch touchscreen primary display offering a resolution of 1080x2504 pixels (FHD+) at a pixel density of 426 pixels per inch (ppi). It also features a 7.85-inch touchscreen as its second display, with a resolution of 2224x2496 pixels at a pixel density of 426 pixels per inch (ppi). Huawei Mate X3 is powered by an octa-core Qualcomm Snapdragon 8+ Gen 1 processor. It comes with 12GB of RAM. The Huawei Mate X3 runs HarmonyOS 3.1 and is powered by a 4800mAh battery. The Huawei Mate X3 supports proprietary fast charging.

As far as the cameras are concerned, the Huawei Mate X3 on the rear packs a triple camera setup featuring a 50-megapixel (f/f/1.8) primary camera; a 13-megapixel (f/f/2.2) camera, and a 12-megapixel (f/f/3.4) camera. The rear camera setup has autofocus. It has a single front camera setup for selfies, featuring an 8-megapixel sensor with an f/f/2.4 aperture.

Huawei Mate X3 is based on HarmonyOS 3.1 and packs 256GB of inbuilt storage. The Huawei Mate X3 is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Huawei Mate X3 measures 156.90 x 141.50 x 5.30mm (height x width x thickness) and weighs 241.00 grams. It was launched in Feather Sand White, Feather Sand Black, Feather Sand Purple, Qingshandai, and Dawn Gold colours.

Connectivity options on the Huawei Mate X3 include Wi-Fi 802.11 a/ax, GPS, Bluetooth v5.20, NFC, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, barometer, compass/ magnetometer, gyroscope, in-display fingerprint sensor, proximity sensor, and fingerprint sensor.