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Phone LG AX-490 HTC G2 AT&T Vista Samsung SGH-X640 Sony Ericsson K850
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
5 : 3
5.5" diag.
18 : 9
? 2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,100 mAh 1,300 mAh 2,450 mAh 800 mAh ?
Processor ? 800 MHz Qualcomm S2 MSM7230 2 GHz MediaTek Helio A22 (MT6761V) ? ?
RAM ? ? 3 GB ? ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 8 megapixel Yes 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD 1080p HD - ?
Front Camera - - 5 megapixel - -
Weight 3.79 oz
(107g)
6.5 oz
(184g)
5.51 oz
(156g)
3 oz
(85g)
4.2 oz
(119g)
Dimensions 3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT HSPA 14.4 LTE (Cat 4) GPRS HSDPA 3.6
Features 
Flashlight - - Yes - -
GPS / Location Yes n/a n/a - -
Accessibility
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) Yes - - - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes - Yes
Mobile Hotspot - n/a n/a - -
USB Yes Yes Yes
USB Type C
- Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes - -
Contacts
Picture ID Yes n/a n/a Yes Yes
Ringer ID Yes n/a n/a Yes Yes
Voice Dialing Yes n/a n/a - Yes
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers Yes n/a n/a - Yes
Data & Network
Data Tethering Yes n/a n/a - Yes
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry - n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - - -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging - n/a n/a Yes -
Instant Messaging - n/a n/a - -
MMS Yes n/a n/a Yes Yes
Text Messaging Templates Yes n/a n/a Yes Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a - Yes
Stereo Speakers Yes - - - -
Photo & Video
Video Calling - n/a n/a - Yes *
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List - n/a n/a Yes Yes
Voice Memo Yes n/a n/a Yes Yes
Software
BREW Yes n/a n/a - -
Games Yes n/a n/a Yes Yes
Java (J2ME) - n/a n/a Yes Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes n/a n/a Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG AX-490 HTC G2 AT&T Vista Samsung SGH-X640 Sony Ericsson K850
  X > < X > < X > < X > < X

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

 
Phone LG AX-490 HTC G2 AT&T Vista Samsung SGH-X640 Sony Ericsson K850

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