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Phone Motorola Electrify 2 BlackBerry 7750 Samsung M400 Pantech Duo C810 Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.3" diag.
16 : 9
? 2.4" diag.
4 : 3
2.2" diag.
4 : 3
2.2" diag.
4 : 3
Display Resolution & Type 540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,780 mAh ? 1,000 mAh 1,320 mAh 940 mAh
Processor ? ? 400 MHz Qualcomm QSC6155 ARM 920t PXA27x ?
RAM 1 GB ? 128 MB ? ?
Storage 8 GB ? raw hardware 256 MB ? raw hardware ? raw hardware
Main Camera 8 megapixel - 1 megapixel 1 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - - QVGA (320 x 240) QVGA (320 x 240)
Front Camera Yes - - - -
Weight 4.59 oz
(130g)
5.01 oz
(142g)
3.7 oz
(105g)
3.88 oz
(110g)
4.48 oz
(127g)
Dimensions 5.06" x 2.59" x 0.33"
(128 x 66 x 8.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Slab Clamshell Slide Slide
Platform / OS Android BlackBerry OS (proprietary) Windows Mobile Standard (proprietary)
Network Bands

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 800, 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA 1xRTT 1xRTT HSDPA 1.8 EVDO r0
Features 
GPS / Location n/a n/a Yes n/a Yes
Accessibility
Adjustable Text Size n/a n/a Yes n/a -
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot n/a n/a - n/a -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - - -
Contacts
Picture ID n/a n/a Yes n/a Yes
Ringer ID n/a n/a Yes n/a Yes
Voice Dialing n/a n/a Yes n/a Yes
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a Yes n/a Yes
Data & Network
Data Tethering n/a n/a - n/a Yes
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client n/a n/a - n/a Yes
EMS / Picture Messaging n/a n/a - n/a Yes
Instant Messaging n/a n/a - n/a Yes
MMS n/a n/a Yes n/a Yes
Text Messaging Templates n/a n/a Yes n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a n/a - n/a Yes
Photo & Video
DLNA Yes - - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a - n/a -
Voice Memo n/a n/a Yes n/a Yes
Software
BREW n/a n/a - n/a Yes
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a - n/a -
Voice
Headset Jack (2.5 mm) n/a n/a - n/a -
Speaker Phone Yes - Yes Yes Yes
  Motorola Electrify 2 BlackBerry 7750 Samsung M400 Pantech Duo C810 Motorola Rival A455
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Electrify 2 BlackBerry 7750 Samsung M400 Pantech Duo C810 Motorola Rival A455

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