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Nokia Lumia 520

This is the cheapest Windows Phone 8 device you can buy at the moment, a mobile platform that Microsoft has promised to support at least for the next two years. The phone is incredibly well priced at Rs. 10,499 and should attract many of those looking to buy their first smartphones, or students who may be on a tight budget. 

The Nokia Lumia 520 is an entry-level Windows Phone 8 smartphone being  manufactured by Nokia.

Dimensions	119.9 mm (4.72 in) H 64 mm (2.5 in) W 9.9 mm (0.39 in) D
Weight	124 g (4.4 oz)
Operating system	Windows Phone 8, upgradeable to WP8 Amber
System chip	Qualcomm Snapdragon S4 MSM8227
CPU	1.0 GHz dual-core Qualcomm Krait
Memory	512 MB RAM
Storage	8 GB Internal
Removable storage	64GB, microSD
Battery	1430 mAh
Data inputs	Multi-Touch capacitive Touchscreen, ambient lightsensor, proximity sensor
Display	4 Inch IPS panel LCD, 480x800 resolution
Rear camera	5 MP Autofocus, f/2.4 without flash

Samsung Galaxy S3 vs S4

Here is the new flagship of Samsung, and is supposed to be better, not larger but more elegant than the SIII.

	Samsung Galaxy S3	Samsung Galaxy S4
Processor and Specifications	one Cortex-A9 quad core at 1, 4 GHz and second processor 1.5GHz Kraitdual core. With 1 GB of RAM and 16 or 32GB flash memory, 2100mAh battery phenomenally tops together.	An Exynos processor eight cores at 1, 6 GHz whereas Qualcomm Version Two includes a four- Both cores at 1.9 GHz with 2 GB of RAM, 16, 32 or 64 GB of storage and a beastly 2600mAh battery.
Other Specifications	Launched with Android 4.0.4 Ice Cream Sandwich, the S3 is upgradable to 4.1 Jelly Bean. It weighs 133g, which is more than the weight the S4 but not with a significant margin.	The S4 runs on Android 4.2.2 Jelly Bean. Also can take advantage of 4G. device Current weighs 130g, which is not too much and result not heavy on the pocket.
Design	8.6 mm thickness combined with a height of 136.6 mm and a width of 70.6 mm. It is made of plastic but has good your screen looks great and dominant.	An elegant device with only 7.9 mm thick. With its 137 mm high and 70 mm wide, is larger than an iPhone. It is made of plastic, which can give you a cheap mobile sensation.
Screen	The display of 1280 x 720 pixels is fantastic. The 4.8 inch size allows 306 dpi, which is not so good as in some other of his rivals but does the job incredibly well.	Regarding its nearest competitor, the iPhone 5, its 4 "display and 326 pixels are not be compared with the 5 ", 441 dpi and 1920 x 1080 of S4, which may fit better in phablet category.
Camera	8 MP	13 MP