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Phone Samsung SGH-E635 / SGH-E630 Samsung Array / Montage Motorola T720 / T721 (GSM) BlackBerry 6510
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
160 x 100 pixels
Display Refresh ? ? ? ?
Battery 800 mAh 1,000 mAh ? 900 mAh
Processor ? 480 MHz Qualcomm QSC6155 ? ?
RAM ? 128 MB ? ?
Storage ? raw hardware 256 MB ? raw hardware ? raw hardware
Main Camera Yes 2 megapixel - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QCIF (176 x 144) - -
Front Camera - - - -
Weight 2.78 oz
(79g)
4.14 oz
(117g)
3.56 oz
(101g)
5.64 oz
(160g)
Dimensions 3.34" x 1.69" x 0.85"
(85 x 43 x 21.6 mm)
4.41" x 2.12" x 0.59"
(112 x 54 x 15 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
4.53" x 2.95" x 0.95"
(115 x 75 x 24.1 mm)
Form Factor Slide Slide Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry OS
Network Bands

GSM: 850, 1800, 1900

*

CDMA: 800, 850, 1900

GSM: 850, 1900

iDEN: 800

Data Technology GPRS 1xRTT GPRS -
Features 
GPS / Location - Yes - n/a
Accessibility
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
- -
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) - Yes - -
Alerts
Extra Display - - Yes -
Ringer Profiles - - - Yes
Connectivity
Bluetooth - Yes - -
Infrared (IR) Yes - - -
USB - Yes
Micro-USB
- Yes
Mini-USB
Contacts
Picture ID Yes Yes - n/a
Ringer ID Yes Yes Yes n/a
Voice Dialing - Yes Yes n/a
Customization
Changeable Body Plates - - Yes -
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers - Yes - n/a
Data & Network
Data Tethering Yes - Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - Yes - Yes
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - Yes Yes n/a
EMS / Picture Messaging Yes - Yes n/a
MMS Yes Yes - n/a
Text Messaging Templates Yes Yes Yes n/a
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - Yes - n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List Yes - - n/a
Voice Memo Yes Yes Yes n/a
Software
Games Yes Yes Yes n/a
Java (J2ME) Yes Yes Yes n/a
Voice
Headset Jack (2.5 mm) - - Yes n/a
Push-To-Talk - - - Yes
Speaker Phone Yes Yes - -
  Samsung SGH-E635 / SGH-E630 Samsung Array / Montage Motorola T720 / T721 (GSM) BlackBerry 6510
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-E635 / SGH-E630 Samsung Array / Montage Motorola T720 / T721 (GSM) BlackBerry 6510

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