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Phone Samsung Rugby A837 Pantech Ocean Palm Pre 2 (GSM) ZTE Groove Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 3.1" diag.
5 : 3
3.2" diag.
5 : 3
?
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh ? 1,150 mAh 1,500 mAh 800 mAh
Processor ? ? 1 GHz TI 3630 800 MHz Qualcomm MSM7627A ?
RAM ? ? ? 512 MB ?
Storage ? raw hardware ? raw hardware ? raw hardware 1 GB ? raw hardware
Main Camera 1 megapixel 2 megapixel 5 megapixel 3 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) ? VGA (640 x 480) 720p HD -
Front Camera - - - Yes -
Weight 4.66 oz
(132g)
5.61 oz
(159g)
5.1 oz
(145g)
4.5 oz
(128g)
3 oz
(85g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.33" x 2.2" x 0.86"
(110 x 56 x 21.8 mm)
3.96" x 2.35" x 0.67"
(101 x 60 x 17 mm)
4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slide Slide Slab Clamshell
Platform / OS (proprietary) (proprietary) webOS Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 EVDO r0 HSDPA 3.6 EVDO rA GPRS
Features 
Flashlight - Yes - - -
GPS / Location Yes Yes n/a n/a -
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible Yes Yes - - -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot - - n/a n/a -
USB Yes Yes Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - - Yes
802.11 b,g
Yes -
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - - n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes Yes n/a n/a -
Data & Network
Data Tethering Yes - n/a n/a -
External Antenna Jack - Yes n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client Yes Yes n/a n/a -
EMS / Picture Messaging - - n/a n/a Yes
Instant Messaging Yes Yes n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes Yes n/a n/a -
Stereo Speakers - 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 - - n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes - n/a n/a Yes
Voice
Headset Jack (2.5 mm) - Yes n/a n/a Yes
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Rugby A837 Pantech Ocean Palm Pre 2 (GSM) ZTE Groove Samsung SGH-X640
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Phone Samsung Rugby A837 Pantech Ocean Palm Pre 2 (GSM) ZTE Groove Samsung SGH-X640

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