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Phone Siemens CT56 Nokia 6340i Nokia 5165 Nokia N91 Samsung SGH-ZX20
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 101 x 64 pixels 96 x 65 pixels ? 176 x 208 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 700 mAh 900 mAh ? ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - ? QCIF (176 x 144)
Front Camera - - - - -
Weight 2.96 oz
(84g)
4.4 oz
(125g)
5.9 oz
(167g)
5.78 oz
(164g)
3.95 oz
(112g)
Dimensions 3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
5.08" x 1.81" x 0.93"
(129 x 46 x 23.6 mm)
5.1" x 1.9" x 1"
(130 x 48 x 25.4 mm)
4.45" x 2.17" x 0.87"
(113 x 55 x 22.1 mm)
3.46" x 1.89" x 1.02"
(88 x 48 x 25.9 mm)
Form Factor Slab Slab Slab Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) S60 (Symbian) (proprietary)
Network Bands

GSM: 850, 1900

GSM: 850, 1900

TDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

WCDMA: 1

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS - - EDGE HSDPA 1.8
Features 
GPS / Location Yes - - n/a -
Accessibility
Hearing Aid Compatible - - - - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes Yes Yes Yes
Connectivity
Bluetooth - - - Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - -
USB Yes - - Yes
Mini-USB
Yes
Wi-Fi - - - Yes
802.11 b,g
-
Contacts
Picture ID - Yes - n/a Yes
Ringer ID - Yes - n/a Yes
Voice Dialing Yes Yes - n/a -
Customization
Changeable Body Plates Yes - Yes - -
Custom Graphics Yes Yes - n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - - - n/a Yes
Data & Network
Data Tethering Yes Yes - n/a Yes
WAP / Web Browser Yes Yes - n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys - Yes - Yes Yes
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client - - - n/a Yes
EMS / Picture Messaging Yes Yes - n/a -
Instant Messaging - - - n/a Yes
MMS - - - n/a Yes
Text Messaging Templates - Yes - n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes -
Music Player - - - n/a Yes
Productivity
Alarm - Yes Yes n/a Yes
Calculator - Yes - n/a Yes
Calendar - Yes - n/a Yes
To-Do List - Yes - n/a Yes
Voice Memo - Yes - n/a Yes
Software
Games - Yes Yes n/a Yes
Java (J2ME) Yes - - n/a Yes
Voice
Push-To-Talk - - - Yes * -
Speaker Phone Yes - - Yes Yes
  * Some versions only
  Siemens CT56 Nokia 6340i Nokia 5165 Nokia N91 Samsung SGH-ZX20
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CT56 Nokia 6340i Nokia 5165 Nokia N91 Samsung SGH-ZX20

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