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Phone Samsung SGH-X820 BlackBerry 7100 / 7105 Motorola Rival A455 HTC G2 Kyocera 3225
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.2" diag.
4 : 3
3.7" diag.
5 : 3
?
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
240 x 260 pixels
LCD (Color)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh ? ? ? 60 Hz ?
Battery 650 mAh ? 940 mAh 1,300 mAh ?
Processor ? ? ? 800 MHz Qualcomm S2 MSM7230 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel - 2 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - QVGA (320 x 240) 720p HD -
Front Camera - - - - -
Weight 2.33 oz
(66g)
4.3 oz
(122g)
4.48 oz
(127g)
6.5 oz
(184g)
4.23 oz
(120g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.7" x 2.3" x 0.7"
(119 x 58 x 17.8 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS (proprietary) BlackBerry OS (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology EDGE GPRS EVDO r0 HSPA 14.4 1xRTT
Features 
GPS / Location - n/a Yes n/a Yes
Accessibility
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot - n/a - n/a -
USB Yes Yes Yes
Micro-USB
Yes -
Wi-Fi - - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a -
Ringer ID Yes n/a Yes n/a -
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 Yes n/a Yes n/a -
Data & Network
Data Tethering - n/a Yes n/a Yes
External Antenna Jack Yes n/a - n/a -
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 -
Text Keyboard, Hardware - Yes Yes Yes -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes n/a Yes n/a -
EMS / Picture Messaging Yes n/a Yes n/a Yes
Instant Messaging - n/a Yes n/a -
MMS Yes n/a Yes n/a -
Text Messaging Templates Yes n/a Yes n/a -
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - n/a Yes n/a -
Photo & Video
TV Output 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 -
Voice Memo Yes n/a Yes n/a -
Software
BREW - n/a Yes n/a Yes
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a - n/a -
Voice
Headset Jack (2.5 mm) - n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X820 BlackBerry 7100 / 7105 Motorola Rival A455 HTC G2 Kyocera 3225
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X820 BlackBerry 7100 / 7105 Motorola Rival A455 HTC G2 Kyocera 3225

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