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Phone Samsung SCH-A990 Samsung SGH-X400 LG Aspire / 305c Pantech Matrix Pro C820 UTStarcom Slice PCS-1400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.2" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~125 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery 1,000 mAh 620 mAh 1,540 mAh 1,320 mAh 900 mAh
Processor ? ? 480 MHz Qualcomm QSC6155 528 MHz ARM 11 ?
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware 256 MB ? raw hardware ? raw hardware
Main Camera 3 megapixel - 2 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - QVGA (320 x 240) QCIF (176 x 144) -
Front Camera - - - - -
Weight 4.4 oz
(125g)
3.17 oz
(90g)
3.8 oz
(108g)
5.34 oz
(151g)
2.3 oz
(65g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.39" x 1.81" x 0.8"
(86 x 46 x 20.3 mm)
4.08" x 2.47" x 0.47"
(104 x 63 x 11.9 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
4.3" x 1.8" x 0.4"
(109 x 46 x 10.2 mm)
Form Factor Clamshell Clamshell Slab Slide Slab
Platform / OS (proprietary) (proprietary) (proprietary) Windows Mobile Standard (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 1900

Data Technology EVDO r0 GPRS 1xRTT HSDPA 3.6 1xRTT
Features 
Flashlight Yes - - - -
GPS / Location Yes - Yes n/a Yes
Accessibility
Adjustable Text Size - - Yes n/a -
Hearing Aid Compatible Yes - Yes - -
Multiple Languages Yes Yes Yes n/a -
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes Yes -
Infrared (IR) - Yes - - -
USB Yes - Yes Yes -
Wi-Fi - - Yes
802.11 b,g
- -
Contacts
Picture ID Yes Yes Yes n/a -
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing Yes - Yes n/a -
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes - Yes n/a -
Data & Network
Data Tethering Yes - - n/a -
External Antenna Jack - - - n/a Yes
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes - -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client - - - n/a -
EMS / Picture Messaging Yes Yes - n/a -
Instant Messaging - - - n/a -
MMS Yes - Yes n/a -
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes - Yes n/a -
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List - Yes - n/a -
Voice Memo Yes - Yes n/a -
Software
BREW Yes - Yes n/a -
Games Yes Yes Yes n/a Yes
Java (J2ME) - Yes - n/a Yes
Voice
Headset Jack (2.5 mm) - Yes - n/a Yes
Speaker Phone Yes - Yes Yes Yes
  Samsung SCH-A990 Samsung SGH-X400 LG Aspire / 305c Pantech Matrix Pro C820 UTStarcom Slice PCS-1400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Samsung SGH-X400 LG Aspire / 305c Pantech Matrix Pro C820 UTStarcom Slice PCS-1400

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