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Phone LG AX-275 HTC Windows Phone 8S Samsung ATIV SE Samsung SGH-X640 Samsung SGH-X820
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
5" diag.
16 : 9
? ?
Display Resolution & Type 128 x 128 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 850 mAh 1,700 mAh 2,600 mAh 800 mAh 650 mAh
Processor ? 1 GHz Qualcomm Snapdragon S4 ? ? ?
RAM ? 512 MB 2 GB ? ?
Storage ? raw hardware 4 GB 16 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 13 megapixel Yes 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD 1080p HD - ?
Front Camera - - 2 megapixel - -
Weight 2.82 oz
(80g)
3.99 oz
(113g)
4.79 oz
(136g)
3 oz
(85g)
2.33 oz
(66g)
Dimensions 3.58" x 1.81" x 0.78"
(91 x 46 x 19.8 mm)
4.74" x 2.48" x 0.4"
(121 x 63 x 10.3 mm)
5.42" x 2.75" x 0.33"
(138 x 70 x 8.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Windows Windows (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT HSPA+ 21 LTE (Cat 3) GPRS EDGE
Features 
Flashlight - Yes - - -
GPS / Location Yes n/a n/a - -
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a n/a - -
NFC - - Yes - -
USB - Yes Yes
Micro-USB
- Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
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 - -
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 - n/a n/a - -
External Antenna Jack - n/a n/a - Yes
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging - n/a n/a Yes 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
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a - -
Photo & Video
DLNA - - Yes - -
TV Output - - - - 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
Headset Jack (2.5 mm) Yes n/a n/a Yes -
Speaker Phone Yes Yes Yes Yes Yes
  LG AX-275 HTC Windows Phone 8S Samsung ATIV SE Samsung SGH-X640 Samsung SGH-X820
  X > < X > < X > < X > < X

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

 
Phone LG AX-275 HTC Windows Phone 8S Samsung ATIV SE Samsung SGH-X640 Samsung SGH-X820

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