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Phone Samsung SGH-X640 Motorola v66 HTC SDA (USA) / SP5m (Tornado) Samsung Gloss SCH-U440
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.2" diag.
4 : 3
2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
? 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~128 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 800 mAh ? ? 800 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - QCIF (176 x 144) -
Front Camera - - - -
Weight 3 oz
(85g)
2.79 oz
(79g)
3.74 oz
(106g)
3.55 oz
(101g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.31" x 1.73" x 0.83"
(84 x 44 x 21.1 mm)
4.53" x 1.82" x 0.69"
(115 x 46 x 17.5 mm)
2.55" x 2.94" x 0.82"
(65 x 75 x 20.8 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) Windows Mobile Standard (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS GPRS EDGE 1xRTT
Features 
GPS / Location - - n/a Yes
Accessibility
Hearing Aid Compatible - - - Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes - n/a Yes
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth - - Yes Yes
Infrared (IR) - - Yes -
USB - Yes Yes
Mini-USB
Yes
Wi-Fi - - Yes -
Contacts
Picture ID Yes - n/a Yes
Ringer ID Yes - n/a Yes
Voice Dialing - Yes n/a Yes
Customization
Custom Graphics Yes - n/a Yes
Custom Ringtones Yes - n/a Yes
Real-Music Ringers - - n/a Yes
Data & Network
Data Tethering - Yes n/a -
External Antenna Jack - - n/a -
WAP / Web Browser Yes Yes n/a -
Input
Predictive Text Entry Yes Yes n/a -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - - n/a -
EMS / Picture Messaging Yes - n/a -
Instant Messaging - - n/a -
MMS Yes - n/a Yes
Text Messaging Templates Yes - n/a Yes
Music
Music Player - - n/a Yes
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List Yes - n/a -
Voice Memo Yes Yes n/a Yes
Software
BREW - - n/a Yes
Games Yes Yes n/a Yes
Java (J2ME) Yes - n/a -
Voice
Headset Jack (2.5 mm) Yes Yes n/a Yes
Speaker Phone Yes - Yes Yes
  * Some versions only
  Samsung SGH-X640 Motorola v66 HTC SDA (USA) / SP5m (Tornado) Samsung Gloss SCH-U440
  X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Motorola v66 HTC SDA (USA) / SP5m (Tornado) Samsung Gloss SCH-U440

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