We compare the Nokia Lumia 610 vs the Nokia 520 to see which one is the better purchase.
The Nokia Lumia 610 has a TFT display that measures 3.7 inches and it renders a resolution of 480 x 800 pixels. It is heavier than the Lumia 520, weighing 131.5 grams and has the following dimensions: 119 x 62 x 12 mm.
The Lumia 520 on the other hand has a larger 4 inches IPS LCD display that can render the same screen resolution of 480 x 800 pixels. It weighs 124 grams and it comes with these dimensions: 119.9 x 64 x 9.9 mm.
In terms of hardware and OS, the Lumia 610 has a Cortex A5 processor (800 MHz ARM) which is paired up with a Snapdragon MSM7227A chipset from Qualcomm. It supports 256 MB of RAM with 8GB of internal storage capacity (there is no microSD card slot, meaning that the memory is not expandable) and runs on the Microsoft Windows Phone 7.5 Mango OS.
The Lumia 520 is powered by a dual core processor working at 1.5 GHz which is paired up with a Snapdragon MSM8227 chipset from Qualcomm. It has more RAM thanthe Lumia 610, 512MB and it supports 8GB of internal memory (if you choose to use a microSD card, you can expand your memory by up to 64GB). It runs on a higher version of OS: Windows Phone 8 (upgradable to Windows Phone 8 Amber).
For camera specs, both Nokia units are similar, having a 5MP primary camera that has features like geo-tagging and autofocus; the handsets don't feature any secondary cameras.
As for the battery usage, the Nokia Lumia 520 has the most powerful battery out of the two, having a Li-Ion with a capacity of 1430 mAh which is estimated to last around 9 hours and 40 minutes of talking time on 3G (or 61 hours of music play).
The Nokia Lumia 610 is tooled with a Li-Ion as well, but this one has a capacity of 1300 mAh and lasts around 9 hours and 30 minutes of talking time on 3G (or 35 hours of music play).
The Nokia Lumia 610 cost around $86.00, while the Lumia 520 is at $49.99.