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Phone Samsung SCH-U550 Pantech Duo C810 Samsung SCH-A310 Samsung Ace SPH-i325 Neonode N1
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 2.1" diag.
4 : 3
2.2" diag.
4 : 3
? 2.3" diag.
4 : 3
?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (Grayscale)
320 x 240 pixels
(~174 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 800 mAh 1,320 mAh ? 1,300 mAh 1,100 mAh
Processor ? ARM 920t PXA27x ? 416 MHz PXA270 96 MHz ARM 7
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel - 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QVGA (320 x 240) - QVGA (320 x 240) ?
Front Camera - - - - -
Weight 3.17 oz
(90g)
3.88 oz
(110g)
3.2 oz
(91g)
3.9 oz
(111g)
3.28 oz
(93g)
Dimensions 3.76" x 1.92" x 0.68"
(96 x 49 x 17.3 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
4.65" x 2.32" x 0.46"
(118 x 59 x 11.7 mm)
3.46" x 2.05" x 0.83"
(88 x 52 x 21.1 mm)
Form Factor Clamshell Slide Clamshell Slab Slab
Platform / OS (proprietary) Windows Mobile Standard (proprietary) Windows Mobile Standard (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

GSM: 900, 1800

GSM: 900, 1900

Data Technology EVDO r0 HSDPA 1.8 1xRTT EVDO r0 GPRS
Features 
GPS / Location Yes n/a Yes n/a -
Accessibility
Hearing Aid Compatible Yes - - Yes -
Multiple Languages Yes n/a Yes n/a -
TTY/TDD (Digital) - - - Yes -
Alerts
Extra Display Yes - Yes - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes Yes - Yes -
Infrared (IR) - - - - Yes
USB - Yes Yes Yes Yes
Contacts
Picture ID Yes n/a - n/a -
Ringer ID Yes n/a - n/a -
Voice Dialing Yes n/a Yes n/a -
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes n/a - n/a Yes
Custom Ringtones Yes n/a - n/a Yes
Real-Music Ringers Yes n/a - n/a -
Data & Network
Data Tethering Yes n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a -
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - Yes - Yes -
Touch Screen - - - - Yes
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client - n/a - n/a Yes
EMS / Picture Messaging Yes n/a - n/a -
Instant Messaging - n/a - n/a -
MMS Yes n/a - n/a Yes
Text Messaging Templates Yes n/a - n/a -
Music
Music Player Yes n/a - n/a Yes
Productivity
Alarm Yes n/a - n/a -
Calculator Yes n/a - n/a -
Calendar Yes n/a Yes n/a -
To-Do List - n/a - n/a -
Voice Memo Yes n/a Yes n/a -
Software
BREW Yes n/a - n/a -
Games Yes n/a Yes n/a Yes
Voice
Headset Jack (2.5 mm) Yes n/a Yes n/a Yes
Speaker Phone Yes Yes - Yes Yes
  Samsung SCH-U550 Pantech Duo C810 Samsung SCH-A310 Samsung Ace SPH-i325 Neonode N1
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-U550 Pantech Duo C810 Samsung SCH-A310 Samsung Ace SPH-i325 Neonode N1

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