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Phone HTC myTouch 3G / Magic Motorola EM330 / EM28 Samsung SGH-A157
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
1.8" diag.
4 : 3
1.8" diag.
4 : 3
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ?
Battery 1,340 mAh 940 mAh 800 mAh
Processor 528 MHz Qualcomm MSM-7200a ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware 256 MB
Main Camera 3 megapixel 1 megapixel -
Wide Camera - - -
Tele Camera - - -
Video Capture CIF (352 x 288) ? -
Front Camera - - -
Weight 4.1 oz
(116g)
3.17 oz
(90g)
2.99 oz
(85g)
Dimensions 4.45" x 2.19" x 0.58"
(113 x 56 x 14.7 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
Form Factor Slab Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary)
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 EDGE ?
Features 
GPS / Location n/a - Yes
Accessibility
Adjustable Text Size n/a - Yes
Hearing Aid Compatible - Yes Yes
Multiple Languages n/a Yes Yes
TTY/TDD (Digital) - Yes Yes
Alerts
Extra Display - Yes -
Ringer Profiles - - Yes
Connectivity
Bluetooth Yes Yes -
USB Yes
Mini-USB
Yes
Mini-USB
Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- -
Contacts
Picture ID n/a - Yes
Ringer ID n/a - Yes
Customization
Changeable Body Plates Yes - -
Custom Graphics n/a Yes Yes
Custom Ringtones n/a Yes Yes
Real-Music Ringers n/a Yes Yes
Data & Network
WAP / Web Browser n/a Yes Yes
Input
Predictive Text Entry n/a Yes Yes
Side Keys Yes Yes -
Touch Screen Yes - -
Memory
Memory Card Slot Yes Yes -
Messaging
EMS / Picture Messaging n/a Yes -
MMS n/a Yes Yes
Text Messaging Templates n/a Yes Yes
Music
FM Radio - Yes -
Headphone Jack (3.5mm) Yes * Yes -
Music Player n/a Yes -
Productivity
Alarm n/a Yes Yes
Calculator n/a Yes Yes
Calendar n/a Yes Yes
To-Do List n/a - Yes
Voice Memo n/a - Yes
Software
Games n/a Yes -
Java (J2ME) n/a Yes -
Voice
Speaker Phone Yes Yes Yes
  * Some versions only
  HTC myTouch 3G / Magic Motorola EM330 / EM28 Samsung SGH-A157
  X > < X > < X

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

 
Phone HTC myTouch 3G / Magic Motorola EM330 / EM28 Samsung SGH-A157

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