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Phone Nokia 9500 ZTE Z331 Samsung SGH-A657 Samsung Messager III / R570
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
? 2.4" diag.
4 : 3
Display Resolution & Type 640 x 200 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,300 mAh 950 mAh 1,420 mAh 1,140 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 3 megapixel - 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QCIF (176 x 144) - -
Front Camera - - - -
Weight 7.83 oz
(222g)
4 oz
(113g)
4.34 oz
(123g)
3.7 oz
(105g)
Dimensions 5.83" x 2.24" x 0.94"
(148 x 57 x 23.9 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.59" x 2.11" x 0.59"
(117 x 53 x 15 mm)
Form Factor Clamshell Clamshell Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

Data Technology EDGE HSDPA 3.6 HSDPA 3.6 1xRTT
Features 
Flashlight - - Yes -
GPS / Location - Yes Yes Yes
Ruggedized - - Yes -
Accessibility
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes Yes - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
USB Yes Yes
Micro-USB
Yes Yes
Wi-Fi Yes - - -
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID - Yes Yes Yes
Voice Dialing - - - Yes
Customization
Changeable Body Plates Yes - - -
Custom Graphics - Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes Yes Yes Yes
Data & Network
Data Tethering Yes Yes Yes -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry - Yes Yes Yes
Side Keys - Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client Yes Yes Yes -
EMS / Picture Messaging Yes - - -
Instant Messaging - Yes Yes -
MMS Yes Yes Yes Yes
Text Messaging Templates - Yes Yes Yes
Music
Headphone Jack (3.5mm) - - - Yes
Music Player Yes Yes Yes Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - - Yes -
Voice Memo Yes Yes Yes Yes
Software
BREW - - - Yes
Games Yes Yes Yes Yes
Java (J2ME) Yes Yes Yes -
Voice
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  Nokia 9500 ZTE Z331 Samsung SGH-A657 Samsung Messager III / R570
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia 9500 ZTE Z331 Samsung SGH-A657 Samsung Messager III / R570

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