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Phone Samsung SGH-X640 BlackBerry Storm2 9550 Motorola Rival A455 ZTE ZMAX 2 Nokia 6275i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.3" diag.
4 : 3
2.2" diag.
4 : 3
5.5" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 1,400 mAh 940 mAh 3,000 mAh 1,150 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8916) ?
RAM ? ? ? 2 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB ? raw hardware
Main Camera Yes 3 megapixel 2 megapixel 8 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? QVGA (320 x 240) 720p HD ?
Front Camera - - - 2 megapixel -
Weight 3 oz
(85g)
5.64 oz
(160g)
4.48 oz
(127g)
5.99 oz
(170g)
3.7 oz
(105g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
6.06" x 2.99" x 0.37"
(154 x 76 x 9.4 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
Form Factor Clamshell Slab Slide Slab Slab
Platform / OS (proprietary) BlackBerry OS (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EVDO rA EVDO r0 LTE (Cat 4) 1xRTT
Features 
GPS / Location - n/a Yes n/a Yes
Accessibility
Adjustable Text Size - n/a - n/a -
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - - - Yes
Mobile Hotspot - n/a - n/a -
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
802.11 b,g
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a Yes n/a Yes
Data & Network
Data Tethering - n/a Yes n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a - n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes
Capacitive
Yes Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a Yes n/a -
EMS / Picture Messaging Yes n/a Yes n/a -
Instant Messaging - n/a Yes n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a Yes n/a Yes
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a - n/a Yes
Voice Memo Yes n/a Yes n/a Yes
Software
BREW - n/a Yes n/a Yes *
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a - n/a Yes *
Voice
Headset Jack (2.5 mm) Yes n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 BlackBerry Storm2 9550 Motorola Rival A455 ZTE ZMAX 2 Nokia 6275i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 BlackBerry Storm2 9550 Motorola Rival A455 ZTE ZMAX 2 Nokia 6275i

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