Key Difference: The Nokia Lumia 520 is a 4-inch IPS capacitive touchscreen smartphone that offers 480x800 pixels display, which offers approximately 233 ppi. The phone comes with 8 GB internal memory that can be expanded up to 64 GB. The phone offers 1 GHz on its dual-core snapdragon S4 and only 512 MB RAM, which is slightly disappointing. The Sony Xperia T is another model by Sony that was released in August 2012. It features a 4.55 inch screen with a resolution of 720 x 1280 pixels. It runs on a Dual-core 1.5 GHz Krait Qualcomm MSM8260A Snapdragon with 1 GB of RAM. It features Android Ice Cream Sandwich (v4.0.4) out of the box but is upgradeable to Jelly Bean (v4.1).

Nokia is a Finnish cell phone company, well known for its superb battery power and durability of its phones, and is the only phone that has not yet integrated its smartphones with Android. Nokia has been single-handedly leading Microsoft Windows OS 8 in the smartphone market. Most of the smartphones have become a pricy accessory to own, and if people opt for a cheaper phone, they must sacrifice on some features. To make a mark in the low- to mid-range smartphone market, Nokia has announced the Lumia 520, which should be available in April 2013 in India (release dates for the rest of the world is yet unannounced) and is currently up for pre-orders on many websites. It has even reached to the second-spot following Samsung Galaxy Grand on the Indian website, Flipkart. The phone is a variant of its big brothers 820 and 920, minus some ‘flash’ features. The Lumia 520 is a 4-inch IPS capacitive touchscreen smartphone that offers 480x800 pixels display, which offers approximately 233 ppi. This is pretty good display screen for a mid-range smartphone.

The Lumia 520 is a bar phone with the straight sharp edges and is available with the standard Windows Tile layout. The phone comes with 8 GB internal memory that can be expanded up to 64 GB. The phone offers 1 GHz on its dual-core snapdragon S4 and only 512 MB RAM, which is slightly disappointing. Another let down is the lack of a secondary camera, which makes it difficult to video conferencing. The phone does offer a 5MP autofocus primary camera, with 4X digital zoom and no flash. However, the company claims to use the same digital lens that is found on the flagship. The camera offers features such as Landscape orientation, Auto and manual exposure, Auto and manual white balance, Cinemagraph lens and Smart Shoot lens. The smart shoot lens allows the user to change individual objects in the photo and replace them with objects from the other photos. For example: incase the user is taking photos of two people; however, he does not like the expression of one person in the photo, they can swap the face for another face from another photo. The phone is customizable with changeable shells. The phone has a monoblock casing with the sleep/wake button, camera button and volume buttons on the right-hand side of the phone. Nokia also offers the Windows Office, plus Nokia Music and Nokia Maps. The phone also offers many different features including 7GB free SkyDrive storage.

The Sony Xperia T is another model by Sony that was released in August 2012. It was one of the first few models that Sony has released after its break-up with Ericsson. It is Sony's first smartphone built on Qualcomm's Snapdragon S4 platform. It features a 4.55 inch screen with a resolution of 720 x 1280 pixels. It runs on a Dual-core 1.5 GHz Krait Qualcomm MSM8260A Snapdragon with 1 GB of RAM. It features Android Ice Cream Sandwich (v4.0.4) out of the box but is upgradeable to Jelly Bean (v4.1).

The phone also has a 13 MP primary camera with a 1.3 MP front camera. The phone is powered by a non-removable Li-Ion 1850 mAh battery. The phone also comes with pre-installed Sony apps called Walkman, and Movies. These are part of a pre-loaded software suite that allows for consuming and sharing a vast library of multimedia content.

Sony Xperia T has gotten very popular as it had been featured as James Bond's phone in the 2012 film, Skyfall. In fact, in some European countries, especially the UK, the phone is actually marketed as the Bond Phone.

The information for the detailed table about the two phones has been taken from the Nokia website, techradar.com, Sony Mobile website and GSMArena.com.

Image Courtesy: nokia.com, sonymobile.com