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Phone Samsung SGH-X640 Samsung Glyde U940 Palm Treo 680 Samsung Galaxy S6 (GSM) Samsung M300
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
16.5 : 9
? 5.1" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 1,000 mAh ? 2,550 mAh ?
Processor ? ? ? 2.1 GHz Samsung Exynos 7420 ?
RAM ? ? ? 3 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB * ? raw hardware
Main Camera Yes 2 megapixel Yes 16 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) CIF (352 x 288) 4K UHD -
Front Camera - - - 5 megapixel -
Weight 3 oz
(85g)
4.2 oz
(119g)
5.5 oz
(156g)
4.87 oz
(138g)
2.68 oz
(76g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.4" x 2.3" x 0.8"
(112 x 58 x 20.3 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.6" x 1.9" x 0.7"
(91 x 48 x 17.8 mm)
Form Factor Clamshell Slide Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Palm OS Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EVDO r0 EDGE LTE (Cat 6) 1xRTT
Features 
Fingerprint Reader - - - Yes -
Flashlight - - - Yes -
GPS / Location - Yes n/a n/a Yes
VR-ready - - - Yes -
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - Yes Yes -
MirrorLink - - - Yes -
NFC - - - Yes -
USB - Yes Yes Yes
Micro-USB
Yes
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering - Yes n/a n/a Yes
External Antenna Jack - - n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - Yes Yes Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - - n/a n/a -
EMS / Picture Messaging Yes - n/a n/a -
MMS Yes Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - Yes n/a n/a -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a Yes
Voice Memo Yes - n/a n/a Yes
Software
BREW - Yes n/a n/a -
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes - n/a n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung Glyde U940 Palm Treo 680 Samsung Galaxy S6 (GSM) Samsung M300
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung Glyde U940 Palm Treo 680 Samsung Galaxy S6 (GSM) Samsung M300

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