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Phone Sony Ericsson T237 / T290a Samsung SGH-X640 Nokia 1661 Samsung Memoir SGH-T929
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 1.8" diag.
4 : 3
3.1" diag.
5 : 3
Display Resolution & Type 101 x 80 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~150 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 800 mAh 860 mAh ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes - 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - - ?
Front Camera - - - -
Weight 2.79 oz
(79g)
3 oz
(85g)
2.9 oz
(82g)
4.4 oz
(125g)
Dimensions 4" x 1.71" x 0.71"
(102 x 43 x 18 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.25" x 1.8" x 0.53"
(108 x 46 x 13.5 mm)
4.17" x 2.11" x 0.55"
(106 x 54 x 14 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology GPRS GPRS - HSDPA 3.6
Features 
Flashlight - - Yes -
GPS / Location - - - Yes
Accessibility
Hearing Aid Compatible - - - Yes
Multiple Languages Yes Yes - Yes
TTY/TDD (Digital) Yes - - Yes
Alerts
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth - - - Yes
USB Yes - - Yes
Contacts
Picture ID Yes Yes - Yes
Ringer ID Yes Yes - -
Voice Dialing Yes - - Yes
Customization
Custom Graphics Yes Yes - Yes
Custom Ringtones Yes Yes - Yes
Real-Music Ringers - - - Yes
Data & Network
WAP / Web Browser Yes Yes - Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes - Yes
Touch Screen - - - Yes
Memory
Memory Card Slot - - - Yes
Messaging
Email Client Yes - - Yes
EMS / Picture Messaging Yes Yes - -
Instant Messaging - - - Yes
MMS Yes Yes - Yes
Text Messaging Templates Yes Yes - Yes
Music
FM Radio - - Yes -
Music Player - - - Yes
Photo & Video
TV Output - - - Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - Yes - Yes
Voice Memo Yes Yes Yes Yes
Software
Games Yes Yes Yes Yes
Java (J2ME) - Yes - -
Voice
Headset Jack (2.5 mm) - Yes Yes -
Speaker Phone Yes Yes Yes Yes
  Sony Ericsson T237 / T290a Samsung SGH-X640 Nokia 1661 Samsung Memoir SGH-T929
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson T237 / T290a Samsung SGH-X640 Nokia 1661 Samsung Memoir SGH-T929

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