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Phone Samsung SGH-X640 Motorola Sidekick Slide Motorola Moto X (CDMA, 2nd gen.) Motorola RAZR maxx Ve LG AX-490
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.2" diag.
16 : 9
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh ? 2,300 mAh 880 mAh 1,100 mAh
Processor ? 225 MHz TI OMAP 850 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) ? ?
RAM ? ? 2 GB ? ?
Storage ? raw hardware ? raw hardware 16 GB * ? raw hardware ? raw hardware
Main Camera Yes 1 megapixel 13 megapixel 2 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD ? -
Front Camera - - 2 megapixel - -
Weight 3 oz
(85g)
5.3 oz
(150g)
5.08 oz
(144g)
3.88 oz
(110g)
3.79 oz
(107g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
5.54" x 2.85" x 0.39"
(141 x 72 x 9.9 mm)
3.99" x 2.09" x 0.59"
(101 x 53 x 15 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
Form Factor Clamshell Slide Slab Clamshell Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 7, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EDGE LTE (Cat 4) EVDO r0 1xRTT
Features 
GPS / Location - - n/a Yes Yes
Accessibility
Adjustable Text Size - Yes n/a - -
Hearing Aid Compatible - - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes - n/a Yes Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - - Yes Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - - n/a - -
NFC - - Yes - -
USB - Yes Yes
Micro-USB
Yes
Mini-USB
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - - n/a Yes Yes
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - Yes n/a - Yes
Data & Network
Data Tethering - - n/a Yes Yes
External Antenna Jack - - n/a Yes -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes - n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - Yes
Capacitive
- -
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - Yes n/a - -
EMS / Picture Messaging Yes - n/a - -
Instant Messaging - Yes n/a - -
MMS Yes Yes n/a Yes Yes
Text Messaging Templates Yes - n/a - Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - Yes n/a Yes -
Stereo Speakers - - - - Yes
Photo & Video
Miracast - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes - n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes Yes n/a - -
Voice Memo Yes - n/a Yes Yes
Software
BREW - - n/a Yes Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes Yes n/a - -
Voice
Headset Jack (2.5 mm) Yes Yes n/a - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Motorola Sidekick Slide Motorola Moto X (CDMA, 2nd gen.) Motorola RAZR maxx Ve LG AX-490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola Sidekick Slide Motorola Moto X (CDMA, 2nd gen.) Motorola RAZR maxx Ve LG AX-490

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