The phone comes with a 6.67-inch touchscreen display with a resolution of 1080x2400 pixels and an aspect ratio of 20:9. Nokia X20 is powered by an octa-core Qualcomm Snapdragon 480 processor. It comes with 8GB of RAM. The Nokia X20 runs Android 11 and is powered by a 4470mAh battery.

As far as the cameras are concerned, the Nokia X20 on the rear packs a 64-megapixel primary camera; a 5-megapixel camera; a 2-megapixel camera, and a 2-megapixel camera. The rear camera setup has autofocus. It sports a 32-megapixel camera on the front for selfies.

Nokia X20 is based on Android 11 and packs 128GB of inbuilt storage that can be expanded via microSD card (up to 512GB). The Nokia X20 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Nokia X20 measures 168.9 x 79.7 x 9.1mm (height x width x thickness) and weighs 220.0 grams.

Connectivity options on the Nokia X20 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, NFC, USB Type-C, FM radio, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, gyroscope, proximity sensor, and fingerprint sensor.