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Phone Motorola KRZR K1m Nokia 2630 Samsung SPH-N270 (Matrix Phone) Samsung SGH-A657 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 880 mAh 700 mAh 1,000 mAh 1,420 mAh 800 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel Yes - - Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? ? - - -
Front Camera - - - - -
Weight 3.63 oz
(103g)
2.33 oz
(66g)
4.66 oz
(132g)
4.34 oz
(123g)
3 oz
(85g)
Dimensions 4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
4.13" x 1.77" x 0.39"
(105 x 45 x 9.9 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Slide Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 850, 1900

*

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology EVDO r0 EDGE - HSDPA 3.6 GPRS
Features 
Flashlight - - - Yes -
GPS / Location Yes - Yes Yes -
Ruggedized - - - Yes -
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- - - -
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) Yes - - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes Yes - Yes -
USB Yes
Mini-USB
- - Yes -
Contacts
Picture ID Yes Yes Yes Yes Yes
Ringer ID Yes - Yes Yes Yes
Voice Dialing Yes - Yes - -
Customization
Custom Graphics Yes Yes - Yes Yes
Custom Ringtones Yes Yes - Yes Yes
Real-Music Ringers - Yes - Yes -
Data & Network
Data Tethering Yes - - Yes -
WAP / Web Browser Yes Yes - Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys Yes Yes - Yes Yes
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client - Yes - Yes -
EMS / Picture Messaging Yes - - - Yes
Instant Messaging Yes * Yes - Yes -
MMS Yes Yes - Yes Yes
Text Messaging Templates Yes Yes - Yes Yes
Music
FM Radio - Yes - - -
Music Player Yes - - Yes -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar Yes Yes Yes Yes Yes
To-Do List - Yes Yes Yes Yes
Voice Memo Yes Yes Yes Yes Yes
Software
BREW Yes * - - - -
Games Yes Yes - Yes Yes
Java (J2ME) Yes * Yes - Yes Yes
Voice
Headset Jack (2.5 mm) - Yes Yes - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Motorola KRZR K1m Nokia 2630 Samsung SPH-N270 (Matrix Phone) Samsung SGH-A657 Samsung SGH-X640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola KRZR K1m Nokia 2630 Samsung SPH-N270 (Matrix Phone) Samsung SGH-A657 Samsung SGH-X640

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