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Phone Motorola Electrify 2 BlackBerry 7750 Pantech Duo C810 Samsung M400 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
? 2.2" diag.
4 : 3
2.4" 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
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,780 mAh ? 1,320 mAh 1,000 mAh 940 mAh
Processor ? ? ARM 920t PXA27x 400 MHz Qualcomm QSC6155 ?
RAM 1 GB ? ? 128 MB ?
Storage 8 GB ? raw hardware ? raw hardware 256 MB ? 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)
3.88 oz
(110g)
3.7 oz
(105g)
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)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Slab Slide Clamshell Slide
Platform / OS Android BlackBerry OS Windows Mobile Standard (proprietary) (proprietary)
Network Bands

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1900

Data Technology EVDO rA 1xRTT HSDPA 1.8 1xRTT EVDO r0
Features 
GPS / Location n/a n/a n/a Yes Yes
Accessibility
Adjustable Text Size n/a n/a n/a Yes -
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
- - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a n/a n/a Yes 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 Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - - -
Contacts
Picture ID n/a n/a n/a Yes Yes
Ringer ID n/a n/a n/a Yes Yes
Voice Dialing n/a n/a n/a Yes Yes
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes Yes
Data & Network
Data Tethering n/a n/a n/a - Yes
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - Yes
Touch Screen Yes
Capacitive
- - - 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 n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes 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 n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a - -
Voice Memo n/a n/a n/a Yes Yes
Software
BREW n/a n/a n/a - Yes
Games n/a n/a n/a Yes 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 Pantech Duo C810 Samsung M400 Motorola Rival A455
  X > < X > < X > < X > < X

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

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