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Phone Nokia Lumia 521 / 520 Samsung Galaxy Attain 4G Samsung Galaxy S 4 (GSM)
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
3.5" diag.
5 : 3
5" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz
Battery 1,430 mAh 1,650 mAh 2,600 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 ? 1.9 GHz Qualcomm Snapdragon 600 8064T
RAM 512 MB 512 MB 2 GB
Storage 8 GB ? raw hardware 16 GB *
Main Camera 5 megapixel 3 megapixel 13 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture 720p HD WVGA / 480p 1080p HD
Front Camera - 1 megapixel 2 megapixel
Weight 4.39 oz
(124g)
4.2 oz
(119g)
4.59 oz
(130g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
5.38" x 2.75" x 0.31"
(137 x 70 x 7.9 mm)
Platform / OS Windows Android Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA+ 21 LTE (Cat 3) LTE (Cat 3)
Features 
Flashlight - - Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes
Infrared (IR) - - Yes
NFC - - Yes
USB Yes Yes
Micro-USB
Yes
Wi-Fi Yes Yes Yes
5 (802.11 a,ac,b,g,n)
Input
Side Keys Yes Yes Yes
Touch Screen Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes
Photo & Video
DLNA - Yes Yes
Miracast - - Yes
TV Output - - Yes
Voice
Speaker Phone Yes Yes Yes
  Nokia Lumia 521 / 520 Samsung Galaxy Attain 4G Samsung Galaxy S 4 (GSM)
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 Samsung Galaxy Attain 4G Samsung Galaxy S 4 (GSM)

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