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Phone Samsung SGH-X640 Palm Pre Plus (GSM) Kyocera DuraXV LTE LG Optimus F3Q LG AX-490
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
2.6" diag.
4 : 3
4" diag.
5 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 1,150 mAh 1,530 mAh 2,460 mAh 1,100 mAh
Processor ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.2 GHz Qualcomm Snapdragon 400 MSM8930 ?
RAM ? ? 2 GB 1 GB ?
Storage ? raw hardware ? raw hardware 16 GB 4 GB ? raw hardware
Main Camera Yes 3 megapixel 5 megapixel 5 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - VGA (640 x 480) 720p HD 1080p HD -
Front Camera - - - Yes -
Weight 3 oz
(85g)
4.89 oz
(139g)
6.17 oz
(175g)
5.64 oz
(160g)
3.79 oz
(107g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
4.21" x 2.26" x 1.03"
(107 x 57 x 26.2 mm)
4.8" x 2.55" x 0.55"
(122 x 65 x 14 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
Form Factor Clamshell Slide Clamshell Slide Clamshell
Platform / OS (proprietary) webOS (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS HSDPA 1.8 LTE (Cat 4) LTE (Cat 3) 1xRTT
Features 
Flashlight - - Yes - -
GPS / Location - n/a Yes n/a Yes
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a Yes n/a -
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a Yes n/a -
NFC - - - Yes -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
802.11 b,g
Yes Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a Yes n/a Yes
Data & Network
Data Tethering - n/a Yes n/a Yes
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 Yes
Text Keyboard, Hardware - Yes - Yes Yes
Touch Screen - Yes - Yes -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a Yes n/a -
EMS / Picture Messaging Yes n/a - n/a -
Instant Messaging - n/a - n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a Yes n/a -
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
BREW - n/a - n/a Yes
Games Yes n/a - n/a Yes
Java (J2ME) Yes n/a - n/a -
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) Yes n/a - n/a Yes
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Palm Pre Plus (GSM) Kyocera DuraXV LTE LG Optimus F3Q LG AX-490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Palm Pre Plus (GSM) Kyocera DuraXV LTE LG Optimus F3Q LG AX-490

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