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Phone Nokia 6275i Samsung SGH-X640 ZTE Savvy Samsung Galaxy Reverb Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4" diag.
5 : 3
4" diag.
5 : 3
2.2" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 1,150 mAh 800 mAh 1,650 mAh 1,700 mAh 940 mAh
Processor ? ? 1 GHz Qualcomm MSM8625 1.4 GHz Qualcomm S2 MSM8655 ?
RAM ? ? 768 MB 768 MB ?
Storage ? raw hardware ? raw hardware 4 GB 4 GB ? raw hardware
Main Camera 2 megapixel Yes 5 megapixel 5 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - WVGA / 480p WVGA / 480p QVGA (320 x 240)
Front Camera - - - 1 megapixel -
Weight 3.7 oz
(105g)
3 oz
(85g)
4.43 oz
(126g)
4.54 oz
(129g)
4.48 oz
(127g)
Dimensions 4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
4.82" x 2.53" x 0.44"
(122 x 64 x 11.3 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Clamshell Slab Slab Slide
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 1900

CDMA: 850, 1900

Data Technology 1xRTT GPRS EVDO rA EVDO rA EVDO r0
Features 
Flashlight - - Yes - -
GPS / Location Yes - n/a n/a Yes
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible - - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) Yes - - - -
USB Yes - Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing Yes - n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes - n/a n/a Yes
Data & Network
Data Tethering Yes - n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client - - n/a n/a Yes
EMS / Picture Messaging - Yes n/a n/a Yes
Instant Messaging - - n/a n/a Yes
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes - n/a n/a Yes
Photo & Video
DLNA - - Yes - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
BREW Yes * - n/a n/a Yes
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes * Yes n/a n/a -
Voice
Headset Jack (2.5 mm) Yes Yes n/a n/a -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia 6275i Samsung SGH-X640 ZTE Savvy Samsung Galaxy Reverb Motorola Rival A455
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Phone Nokia 6275i Samsung SGH-X640 ZTE Savvy Samsung Galaxy Reverb Motorola Rival A455

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