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Phone Samsung SGH-X640 HTC G2 Samsung SCH-A990 BlackBerry Curve 3G 9330 Motorola V710
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
5 : 3
? 2.5" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 1,300 mAh 1,000 mAh 1,150 mAh ?
Processor ? 800 MHz Qualcomm S2 MSM7230 ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 3 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD ? ? ?
Front Camera - - - - -
Weight 3 oz
(85g)
6.5 oz
(184g)
4.4 oz
(125g)
3.7 oz
(105g)
4.06 oz
(115g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
3.7" x 1.93" x 0.92"
(94 x 49 x 23.4 mm)
Form Factor Clamshell Slab Clamshell Slab Clamshell
Platform / OS (proprietary) Android (proprietary) BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS HSPA 14.4 EVDO r0 EVDO r0 1xRTT
Features 
Flashlight - - Yes - -
GPS / Location - n/a Yes n/a Yes
Accessibility
Adjustable Text Size - n/a - n/a -
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - Yes - Yes
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)
- Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
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 - n/a Yes n/a Yes
Data & Network
Data Tethering - n/a Yes n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes -
Touch Screen - Yes
Capacitive
- - -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a - n/a Yes *
EMS / Picture Messaging Yes n/a Yes n/a Yes
Instant Messaging - n/a - n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a Yes n/a Yes
Stereo Speakers - - Yes - -
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 Yes
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) Yes n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 HTC G2 Samsung SCH-A990 BlackBerry Curve 3G 9330 Motorola V710
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 HTC G2 Samsung SCH-A990 BlackBerry Curve 3G 9330 Motorola V710

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