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Phone Motorola Rival A455 Sony Ericsson K850 Sony Ericsson T237 / T290a BlackBerry Passport
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
2.2" diag.
4 : 3
? 4.5" diag.
1 : 1
Display Resolution & Type 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
1440 x 1440 pixels
(~453 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 940 mAh ? ? 3,450 mAh
Processor ? ? ? 2.2 GHz Qualcomm Snapdragon 801 (MSM8974-AA)
RAM ? ? ? 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera 2 megapixel 5 megapixel - 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) ? - 1080p HD
Front Camera - - - 2 megapixel
Weight 4.48 oz
(127g)
4.2 oz
(119g)
2.79 oz
(79g)
6.91 oz
(196g)
Dimensions 3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
4" x 1.71" x 0.71"
(102 x 43 x 18 mm)
5.04" x 3.56" x 0.36"
(128 x 90 x 9.1 mm)
Form Factor Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry 10
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 HSDPA 3.6 GPRS LTE (Cat 4)
Features 
GPS / Location Yes - - n/a
Accessibility
Adjustable Text Size - - - n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- - Yes
M4 (very compatible)
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth Yes Yes - Yes
Mobile Hotspot - - - n/a
NFC - - - Yes
USB Yes
Micro-USB
Yes Yes Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a
Ringer ID Yes Yes Yes n/a
Voice Dialing Yes Yes Yes n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes Yes - n/a
Data & Network
Data Tethering Yes Yes - n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry - Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes
Touch Screen Yes - - Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client Yes Yes Yes n/a
EMS / Picture Messaging Yes - Yes n/a
Instant Messaging Yes - - n/a
MMS Yes Yes Yes n/a
Text Messaging Templates Yes Yes Yes n/a
Music
FM Radio - Yes - Yes
Headphone Jack (3.5mm) Yes - - Yes
Music Player Yes Yes - n/a
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
TV Output - - - Yes
Video Calling - Yes * - n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List - Yes - n/a
Voice Memo Yes Yes Yes n/a
Software
BREW Yes - - n/a
Games Yes Yes Yes n/a
Java (J2ME) - Yes - n/a
Voice
HD Voice - - - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Motorola Rival A455 Sony Ericsson K850 Sony Ericsson T237 / T290a BlackBerry Passport
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Rival A455 Sony Ericsson K850 Sony Ericsson T237 / T290a BlackBerry Passport

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