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Phone Nokia Lumia 521 / 520 Nokia N75 Samsung Galaxy A02s
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
2.4" diag.
4 : 3
6.5" diag.
20 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz
Battery 1,430 mAh 800 mAh 5,000 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 ? Qualcomm Snapdragon 450
RAM 512 MB ? 2 GB
Storage 8 GB ? raw hardware 32 GB
Main Camera 5 megapixel 2 megapixel 13 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture 720p HD CIF (352 x 288) 1080p HD
Front Camera - - 5 megapixel
Weight 4.39 oz
(124g)
4.36 oz
(124g)
6.98 oz
(198g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
3.74" x 2.05" x 0.8"
(95 x 52 x 20.3 mm)
6.56" x 2.99" x 0.36"
(166 x 76 x 9.2 mm)
Platform / OS Windows S60 (Symbian) Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA+ 21 WCDMA (UMTS) LTE (Cat 4)
Features 
Barometer - - Yes
Flashlight - - Yes
Accessibility
Hearing Aid Compatible Yes - Yes
TTY/TDD (Digital) Yes Yes Yes
Alerts
Extra Display - Yes -
Ringer Profiles - Yes -
Connectivity
Bluetooth Yes Yes Yes
Infrared (IR) - Yes -
USB Yes Yes Yes
USB Type C
Wi-Fi Yes - Yes
5 (802.11 a,ac,b,g,n)
Input
Side Keys Yes Yes Yes
Touch Screen Yes - Yes
Memory
Memory Card Slot Yes Yes Yes
Music
FM Radio - Yes -
Headphone Jack (3.5mm) Yes - Yes
Stereo Speakers - Yes -
Power
Fast Charging - - Yes
Voice
HD Voice - - Yes
Speaker Phone Yes Yes Yes
  Nokia Lumia 521 / 520 Nokia N75 Samsung Galaxy A02s
  X > < X > < X

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

 
Phone Nokia Lumia 521 / 520 Nokia N75 Samsung Galaxy A02s

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