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Phone Siemens CT56 Nokia E7-00 Siemens M75 Samsung SGH-X820
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size ? 4" diag.
16 : 9
? ?
Display Resolution & Type 101 x 64 pixels 360 x 640 pixels
(~184 ppi)
AMOLED
132 x 176 pixels
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 700 mAh 1,200 mAh 750 mAh 650 mAh
Processor ? 680 MHz ARM 11 ? ?
RAM ? ? ? ?
Storage ? raw hardware 16 GB ? raw hardware ? raw hardware
Main Camera - 8 megapixel 1 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 720p HD ? ?
Front Camera - Yes - -
Weight 2.96 oz
(84g)
6.21 oz
(176g)
3.88 oz
(110g)
2.33 oz
(66g)
Dimensions 3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
4.87" x 2.46" x 0.54"
(124 x 62 x 13.6 mm)
4.35" x 2.03" x 0.82"
(110 x 52 x 20.8 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
Form Factor Slab Slide Slab Slab
Platform / OS (proprietary) Symbian^3 (proprietary) (proprietary)
Network Bands

GSM: 850, 1900

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS HSPA 10.1 GPRS EDGE
Features 
GPS / Location Yes n/a - -
Ruggedized - - Yes -
Accessibility
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes - - -
Alerts
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes -
USB Yes Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID - n/a Yes Yes
Ringer ID - n/a Yes Yes
Voice Dialing Yes n/a - -
Customization
Changeable Body Plates Yes - - -
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a - Yes
Data & Network
Data Tethering Yes n/a Yes -
External Antenna Jack - n/a - Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys - Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes - -
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - n/a Yes Yes
EMS / Picture Messaging Yes n/a Yes Yes
Instant Messaging - n/a - -
MMS - n/a Yes Yes
Text Messaging Templates - n/a - Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes - -
Music Player - n/a Yes -
Photo & Video
TV Output - Yes - Yes
Video Calling - n/a - -
Productivity
Alarm - n/a Yes Yes
Calculator - n/a Yes Yes
Calendar - n/a Yes Yes
To-Do List - n/a Yes Yes
Voice Memo - n/a Yes Yes
Software
Games - n/a Yes Yes
Java (J2ME) Yes n/a Yes Yes
Voice
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Siemens CT56 Nokia E7-00 Siemens M75 Samsung SGH-X820
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CT56 Nokia E7-00 Siemens M75 Samsung SGH-X820

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