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Phone Motorola Rival A455 Samsung Galaxy Amp Motorola Flipout Samsung M400
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
4" diag.
5 : 3
2.8" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 940 mAh 1,500 mAh 1,170 mAh 1,000 mAh
Processor ? 1 GHz STE U8420 720 MHz TI OMAP 3410 400 MHz Qualcomm QSC6155
RAM ? 1 GB ? 128 MB
Storage ? raw hardware 4 GB ? raw hardware 256 MB
Main Camera 2 megapixel 5 megapixel 3 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) 720p HD CIF (352 x 288) -
Front Camera - Yes - -
Weight 4.48 oz
(127g)
4.41 oz
(125g)
4.23 oz
(120g)
3.7 oz
(105g)
Dimensions 3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4.84" x 2.48" x 0.43"
(123 x 63 x 10.9 mm)
2.64" x 2.64" x 0.67"
(67 x 67 x 17 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
Form Factor Slide Slab Swivel Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 800, 850, 1900

Data Technology EVDO r0 HSPA 14.4 HSPA 7.2 1xRTT
Features 
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry - n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes -
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client Yes n/a n/a -
EMS / Picture Messaging Yes n/a n/a -
Instant Messaging Yes n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player Yes n/a n/a -
Photo & Video
DLNA - Yes - -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
BREW Yes n/a n/a -
Games Yes n/a n/a Yes
Voice
Speaker Phone Yes Yes Yes Yes
  Motorola Rival A455 Samsung Galaxy Amp Motorola Flipout Samsung M400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Rival A455 Samsung Galaxy Amp Motorola Flipout Samsung M400

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