Which Nokia smartphone is ideal choice for consumers? We pit the Lumia 520 against the Lumia 720 to see which is worth the purchase.

In terms of design and display, both Nokia smartphones have a IPS LCD screens that support a resolution of only 480x800pixels, but their displays have different sizes. The Lumia 520's display is at 4 inches, while the Lumia 720 has a 4.3 inches one. The Lumia 520 measures at 119.9x64x9.9 mm and it weights 124 grams, while the Lumia 720 is 4 grams heavier and slightly bigger, measuring 127.9×67.5x9 mm.

For the hardware and OS, both smartphones are equipped with the same 1GHz dual core processor, and they both have the same Qualcomm MSM8227 chipset. The Lumia 520 and 720 have the same internal memory of 8GB which is expandable for up to 64GB, and they both run on the Microsoft Windows Phone 8 OS, upgradeable up to the WP8 Black version. The RAM capacity is identical for both phones: 512MB.

For battery usage and camera, the Lumia 520 has a removable battery with the capacity of 1430mAh, that allows users to talk over 9 hours and a half on 3G, or listen to music for up to 61 hours. Meanwhile, the Lumia 720's battery is non-removable and it has the capacity of 2000mAh, allowing users to talk for about 13 hours on 3G, or listen to music for 79 hours.

The Lumia 520 has a 5MP camera (autofocus), while the Lumia 720 has a 6.1MP rear facing camera (LED flash, Carl Zeiss optics, autofocus) and a 1.3MP front camera.

The Nokia Lumia 520 cost $110 on amazon.com, while the Nokia 720 model costs $299 in the same website.

Which Nokia smartphone wins? Sound off in the comments section below.