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Phone Sony Ericsson Xperia X10 mini (2010) Coolpad Defiant Nokia N73 BlackBerry 7750 Nokia Lumia 521 / 520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size 2.6" diag.
4 : 3
5" diag.
16 : 9
? ? 4" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery ? 2,450 mAh 1,100 mAh ? 1,430 mAh
Processor 600 MHz Qualcomm S1 MSM7227 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? ? 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM ? 1 GB ? ? 512 MB
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware 8 GB
Main Camera 5 megapixel 5 megapixel 3 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture VGA (640 x 480) 720p HD CIF (352 x 288) - 720p HD
Front Camera - 2 megapixel - - -
Weight 3.11 oz
(88g)
6.5 oz
(184g)
4.09 oz
(116g)
5.01 oz
(142g)
4.39 oz
(124g)
Dimensions 3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.33" x 1.93" x 0.75"
(110 x 49 x 19.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Platform / OS Android Android S60 (Symbian) BlackBerry OS Windows
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA 7.2 LTE (Cat 4) EDGE 1xRTT HSPA+ 21
Features 
Flashlight - Yes - - -
Accessibility
Hearing Aid Compatible - Yes - - Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
- Yes
Infrared (IR) - - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
- - Yes
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Music
FM Radio Yes - Yes - -
Headphone Jack (3.5mm) Yes Yes - - Yes
Stereo Speakers - - Yes - -
Voice
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Sony Ericsson Xperia X10 mini (2010) Coolpad Defiant Nokia N73 BlackBerry 7750 Nokia Lumia 521 / 520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson Xperia X10 mini (2010) Coolpad Defiant Nokia N73 BlackBerry 7750 Nokia Lumia 521 / 520

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