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Phone Samsung SGH-X640 Motorola i450 / i455 LG myTouch Q Motorola i886 Visible Midnight
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.5" diag.
5 : 3
2.2" diag.
4 : 3
6.5" diag.
20 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
130 x 130 pixels
LCD (STN)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 800 mAh ? 1,500 mAh 1,380 mAh 4,000 mAh
Processor ? ? 1 GHz Qualcomm Snapdragon S2 MSM8255 ? MediaTek Helio P22 (MT6762)
RAM ? ? 512 MB ? 3 GB
Storage ? raw hardware ? raw hardware 2 GB ? raw hardware 32 GB
Main Camera Yes - 5 megapixel 2 megapixel 13 megapixel
Wide Camera - - - - 5 megapixel
Tele Camera - - - - -
Video Capture - - 720p HD QVGA (320 x 240) 1080p HD
Front Camera - - - - 8 megapixel
Weight 3 oz
(85g)
4.5 oz
(128g)
5.64 oz
(160g)
4.98 oz
(141g)
6.35 oz
(180g)
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)
4.76" x 2.5" x 0.51"
(121 x 64 x 13 mm)
4.58" x 2.01" x 0.73"
(116 x 51 x 18.5 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
Form Factor Clamshell Clamshell Slide Slide Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

iDEN: 800

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

iDEN: 800

4G LTE: 2, 4, 5, 7, 12, 13, 66

Data Technology GPRS - HSPA 14.4 - LTE (Cat 4)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location - Yes n/a Yes n/a
Ruggedized - - - Yes -
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - - Yes Yes Yes
Mobile Hotspot - - n/a - n/a
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing - Yes n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - Yes * n/a Yes n/a
Data & Network
Data Tethering - Yes n/a Yes n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - - Yes 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 Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a - n/a
Music
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player - - n/a Yes n/a
Photo & Video
DLNA - - Yes - -
Power
Wireless Charging - - - - Yes
Productivity
Alarm Yes - n/a Yes n/a
Calculator Yes - n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes - n/a - n/a
Voice Memo Yes Yes n/a Yes n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes Yes n/a Yes n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes Yes n/a - n/a
Push-To-Talk - Yes - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Motorola i450 / i455 LG myTouch Q Motorola i886 Visible Midnight
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Phone Samsung SGH-X640 Motorola i450 / i455 LG myTouch Q Motorola i886 Visible Midnight

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