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Phone Samsung SGH-X640 BlackBerry Classic (GSM) Palm Treo 600 (CDMA) Motorola Sidekick Slide Ericsson T66
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.5" diag.
1 : 1
? ? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
320 x 240 pixels
LCD (TFT/TFD)
?
Display Refresh ? ? ? ? ?
Battery 800 mAh 2,515 mAh ? ? ?
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? 225 MHz TI OMAP 850 ?
RAM ? 2 GB ? ? ?
Storage ? raw hardware 16 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 8 megapixel Yes 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD - - -
Front Camera - 2 megapixel - - -
Weight 3 oz
(85g)
6.28 oz
(178g)
6.2 oz
(176g)
5.3 oz
(150g)
2.08 oz
(59g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Clamshell Slab Slab Slide Slab
Platform / OS (proprietary) BlackBerry 10 Palm OS (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS LTE (Cat 3) 1xRTT EDGE -
Features 
GPS / Location - n/a n/a - -
Accessibility
Adjustable Text Size - n/a n/a Yes -
Hearing Aid Compatible - Yes - - -
Multiple Languages Yes n/a n/a - Yes
TTY/TDD (Digital) - Yes Yes - -
Alerts
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth - Yes - Yes -
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a n/a - -
NFC - Yes - - -
USB - Yes
Micro-USB
Yes Yes -
Wi-Fi - Yes
4 (802.11 a,b,g,n)
- - -
Contacts
Picture ID Yes n/a n/a Yes -
Ringer ID Yes n/a n/a Yes -
Voice Dialing - n/a n/a - -
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a Yes -
Data & Network
Data Tethering - n/a n/a - -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a - Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes Yes -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a n/a Yes -
EMS / Picture Messaging Yes n/a n/a - Yes
Instant Messaging - n/a n/a Yes -
MMS Yes n/a n/a Yes -
Text Messaging Templates Yes n/a n/a - Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - - -
Music Player - n/a n/a Yes -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a - Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a Yes Yes
Voice Memo Yes n/a n/a - -
Software
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a Yes -
Voice
Headset Jack (2.5 mm) Yes n/a n/a Yes -
Speaker Phone Yes Yes Yes Yes -
  Samsung SGH-X640 BlackBerry Classic (GSM) Palm Treo 600 (CDMA) Motorola Sidekick Slide Ericsson T66
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Phone Samsung SGH-X640 BlackBerry Classic (GSM) Palm Treo 600 (CDMA) Motorola Sidekick Slide Ericsson T66

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