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Phone Motorola Q9m / Q9c Samsung Galaxy Ring / Prevail 2 BlackBerry 7750 Samsung Galaxy S II Skyrocket ZTE Grand X
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
4" diag.
5 : 3
? 4.5" diag.
5 : 3
5" diag.
16 : 9
Display Resolution & Type 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~207 ppi)
AMOLED
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz 60 Hz
Battery 1,170 mAh 1,750 mAh ? 1,850 mAh 2,300 mAh
Processor PXA27x (ARM920T) 1.4 GHz Qualcomm Snapdragon S2 MSM8655 ? 1.5 GHz Qualcomm Snapdragon S3 APQ8060 1.2 GHz Qualcomm Snapdragon 200 MSM8210
RAM ? 1 GB ? 1 GB 1 GB
Storage ? raw hardware 4 GB ? raw hardware 16 GB 4 GB
Main Camera 1 megapixel 5 megapixel - 8 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 720p HD - 1080p HD 720p HD
Front Camera - 1 megapixel - 2 megapixel 1 megapixel
Weight 4.76 oz
(135g)
3.4 oz
(96g)
5.01 oz
(142g)
4.71 oz
(133g)
6.06 oz
(172g)
Dimensions 4.61" x 2.56" x 0.47"
(117 x 65 x 11.9 mm)
4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.12" x 2.72" x 0.35"
(130 x 69 x 9 mm)
5.7" x 2.87" x 0.37"
(145 x 73 x 9.4 mm)
Platform / OS Windows Mobile Standard Android BlackBerry OS Android Android
Network Bands

CDMA: 850, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 EVDO rA 1xRTT LTE (Cat 3) HSPA+ 21
Features 
Accessibility
Hearing Aid Compatible Yes Yes - Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
NFC - - - Yes -
USB Yes
Mini-USB
Yes Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes - -
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes Yes
Music
Headphone Jack (3.5mm) - Yes - Yes Yes
Stereo Speakers Yes - - - -
Photo & Video
DLNA - Yes - Yes -
TV Output - - - Yes -
Voice
HD Voice - - - - Yes
Speaker Phone Yes Yes - Yes Yes
  Motorola Q9m / Q9c Samsung Galaxy Ring / Prevail 2 BlackBerry 7750 Samsung Galaxy S II Skyrocket ZTE Grand X
  X > < X > < X > < X > < X

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

 
Phone Motorola Q9m / Q9c Samsung Galaxy Ring / Prevail 2 BlackBerry 7750 Samsung Galaxy S II Skyrocket ZTE Grand X

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