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Phone Samsung SGH-X640 Motorola i450 / i455 Nokia N8-00 PCD Chaser
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 3.5" diag.
16 : 9
3.2" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
130 x 130 pixels
LCD (STN)
360 x 640 pixels
(~210 ppi)
AMOLED
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 800 mAh ? 1,200 mAh 1,450 mAh
Processor ? ? 680 MHz ARM 11 800 MHz Qualcomm MSM7627T
RAM ? ? ? 512 MB
Storage ? raw hardware ? raw hardware 16 GB 512 MB
Main Camera Yes - 12 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 720p HD ?
Front Camera - - Yes -
Weight 3 oz
(85g)
4.5 oz
(128g)
4.76 oz
(135g)
4.2 oz
(119g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
4.47" x 2.32" x 0.51"
(113 x 59 x 12.9 mm)
4.5" x 2.25" x 0.52"
(114 x 57 x 13.2 mm)
Form Factor Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) Symbian^3 Android
Network Bands

GSM: 900, 1800, 1900

iDEN: 800

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 1900

Data Technology GPRS - HSPA 10.1 EVDO rA
Features 
GPS / Location - Yes n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a
Hearing Aid Compatible - Yes
M3 (mostly compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth - - Yes Yes
USB - Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing - Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - Yes * n/a n/a
Data & Network
Data Tethering - Yes n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
Yes
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - - n/a n/a
EMS / Picture Messaging Yes - n/a n/a
Instant Messaging - - n/a n/a
MMS Yes Yes n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
FM Radio - - Yes -
FM Transmitter - - n/a n/a
Headphone Jack (3.5mm) - - Yes Yes
Music Player - - n/a n/a
Photo & Video
TV Output - - Yes -
Video Calling - - n/a n/a
Productivity
Alarm Yes - n/a n/a
Calculator Yes - n/a n/a
Calendar Yes Yes n/a n/a
To-Do List Yes - n/a n/a
Voice Memo Yes Yes n/a n/a
Software
Games Yes Yes n/a n/a
Java (J2ME) Yes Yes n/a n/a
Voice
Headset Jack (2.5 mm) Yes Yes n/a n/a
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Motorola i450 / i455 Nokia N8-00 PCD Chaser
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Phone Samsung SGH-X640 Motorola i450 / i455 Nokia N8-00 PCD Chaser

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