Which Nokia smartphone is worth the purchase? We pit the Lumia 525 against the Lumia 520 to see which device is better.

In terms of design and display, both Nokia smartphones have IPS LCD display measuring 4 inches with the resolution of 480x800pixels and 233ppi. On these phones, the images are displayed decently because their screens feature 16M colors.

Both Nokia models look almost identical, having a rectangular design and colorful back shells. Also, they both measure 119.9x64x9.9 mm and weigh 124 grams.

For the hardware and OS, both Nokia smartphones are powered by the same 1GHz dual core processor, which is baked up by the Qualcomm MSM8227 chipset and Adreno 305 GPU and have an internal memory of 8GB, which is expandable for up to 64GB. The difference is that the Lumia 525 has a 1GB of RAM, whereas the Lumia 520 has only 512MB of RAM and it runs on the Microsoft Windows Phone 8 – upgradeable to WP8 Black OS, while the 525 model already comes loaded with WP Black OS.

For battery usage and camera specs, both models have a 1430mAh Li-Ion BL-5J battery, but Lumia 525’s battery lasts longer because it doesn’t have the CMOS image sensor and users can talk over 10 hours and a half on 3G, and it lasts 336 hours in stand by mode. The 520’s battery allows users to talk for 9 hours and a half on 3G and it lasts 360 hours in stand by mode.

Both Nokia smart[hones have a single 5MP camera (2592x1936pixels, autofocus and 720p@30fps video recording).

The Nokia Lumia 525 cost $156 in amazon.com, while the Nokia Lumia 520 model is only $105.

So which smartphone is worth the purchase? Sound off in the comments section below.