The HTC Desire 728 Dual SIM is powered by 1.3GHz octa-core MediaTek MT6753 processor and it comes with 2GB of RAM. The phone packs 16GB of internal storage that can be expanded up to 200GB via a microSD card. As far as the cameras are concerned, the HTC Desire 728 Dual SIM packs a 13-megapixel primary camera on the rear and a 5-megapixel front shooter for selfies. 

The HTC Desire 728 Dual SIM runs Android 5.1.1 and is powered by a 2800mAh non removable battery. It measures 157.90 x 77.84 x 7.87 (height x width x thickness) and weighs 153.00 grams. 

The HTC Desire 728 Dual SIM is a dual SIM (GSM and GSM) smartphone that accepts two Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include Proximity sensor, Ambient light sensor, Accelerometer, and Gyroscope.