With a screen size of 81.2 mm (3.20 in) and weighing 3.88 ounces (110 grams) with battery, it is a compact version of its larger sibling, the HTC HD2, although being powered by a lower speed 600 MHz Qualcomm processor and a 512 MB ROM/384 MB RAM storage combination.

[1] Other features include multi-touch display, 5 megapixel color camera with auto focus; internal GPS antenna; 3G broadband connectivity, Wi-Fi and FM radio.

[2] The HTC HD mini includes capacitive touch for viewing, zooming and resizing websites, Microsoft Office files, PDF documents and pictures.

The HD Mini runs Windows Mobile 6.5.3 although it is covered up by a custom user interface named Sense.

[3] The Register and SlashGear gave mostly positive reviews but noted that other competitors were better and that Windows Mobile 7 was about to release which could break compatibility.