The new smartphones features 1.5GHz Qualcomm S4 dual-core processor, 4.3-inch Clearblack display and 8GB of internal storage. Lumia 820 will also come with microSD card support, 8MP rear camera, VGA front camera, NFC and Windows Phone 8 OS.
Similar to Lumia 920, the mid-range Lumia 820 will sport the full suite of Nokia location apps, and Citi Lens AR application.
Coming to the OS specific features, Windows Phone 8 on Lumia 820 offers Internet Explorer 8, deeper integration with PC, revamped start screen with resizable tiles and improved business grade security.
The smartphone will be available in red, yellow, grey, cyan, purple, white and black colour options.
Nokia has not revealed any details about pricing or the exact availability of the smartphone, which is expected to go on sale later this year.
Nokia Lumia 820 key specs