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Phone Siemens M55 Samsung SCH-R211 Samsung Transform Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 1.5" diag.
1 : 1
3.5" diag.
5 : 3
?
Display Resolution & Type 101 x 80 pixels
LCD (Color)
128 x 128 pixels
(~121 ppi)
LCD (STN)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 700 mAh 800 mAh 1,500 mAh 1,000 mAh
Processor ? ? 800 MHz Samsung S3C6410, Qualcomm QSC6085 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 3 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - QVGA (320 x 240) ?
Front Camera - - Yes -
Weight 2.93 oz
(83g)
2.73 oz
(77g)
5.37 oz
(152g)
4.4 oz
(125g)
Dimensions 3.98" x 1.81" x 0.83"
(101 x 46 x 21.1 mm)
4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
4.61" x 2.42" x 0.61"
(117 x 61 x 15.5 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slab Slab Slide Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT EVDO rA EVDO r0
Features 
Flashlight - - - Yes
GPS / Location Yes Yes n/a Yes
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth - - Yes Yes
USB - - Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID - Yes n/a Yes
Ringer ID - Yes n/a Yes
Voice Dialing Yes - n/a Yes
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers - - n/a Yes
Data & Network
Data Tethering Yes - n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client Yes - n/a -
EMS / Picture Messaging Yes - n/a Yes
Instant Messaging - - n/a -
MMS Yes - n/a Yes
Text Messaging Templates - Yes n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - - n/a Yes
Stereo Speakers - - - Yes
Photo & Video
TV Output - - - Yes
Productivity
Alarm - Yes n/a Yes
Calculator - Yes n/a Yes
Calendar Yes Yes n/a Yes
Voice Memo - - n/a Yes
Software
BREW - Yes n/a Yes
Games Yes Yes n/a Yes
Java (J2ME) Yes - n/a -
Voice
Headset Jack (2.5 mm) - Yes n/a -
Speaker Phone Yes Yes Yes Yes
  Siemens M55 Samsung SCH-R211 Samsung Transform Samsung SCH-A990
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens M55 Samsung SCH-R211 Samsung Transform Samsung SCH-A990

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