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Phone LG G3 (CDMA) Samsung SCH-A990 Asus ZenFone 4 Max 5.5" AT&T Calypso ZTE Z431 / Altair
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
? 5.5" diag.
16 : 9
5.5" diag.
18 : 9
2.4" diag.
4 : 3
Display Resolution & Type 1440 x 2560 pixels
(~534 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
480 x 960 pixels
(~195 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz ?
Battery 3,000 mAh 1,000 mAh 5,000 mAh 2,500 mAh 1,000 mAh
Processor 2.5 GHz Qualcomm Snapdragon 801 ? 1.4 GHz Qualcomm Snapdragon 430 (MSM8937) 1.5 GHz MediaTek MT6739 ?
RAM 3 GB ? 3 GB 1 GB ?
Storage 32 GB ? raw hardware 32 GB 16 GB ? raw hardware
Main Camera 13 megapixel 3 megapixel 13 megapixel 5 megapixel 2 megapixel
Wide Camera - - Yes - -
Tele Camera - - - - -
Video Capture 4K UHD ? 1080p HD 1080p HD QVGA (320 x 240)
Front Camera 2 megapixel - 8 megapixel 5 megapixel -
Weight 5.41 oz
(153g)
4.4 oz
(125g)
6.38 oz
(181g)
6 oz
(170g)
3.52 oz
(100g)
Dimensions 5.75" x 2.94" x 0.37"
(146 x 75 x 9.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.06" x 3.03" x 0.35"
(154 x 77 x 8.9 mm)
5.91" x 2.87" x 0.39"
(150 x 73 x 9.9 mm)
4.49" x 2.39" x 0.41"
(114 x 61 x 10.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android Android (proprietary)
Network Bands

4G LTE: 4, 7, 13

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17, 26, 28, 38, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) EVDO r0 LTE (Cat 4) LTE (Cat 4) ?
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - Yes Yes Yes -
GPS / Location n/a Yes n/a n/a Yes
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) Yes - - - -
Mobile Hotspot n/a - n/a n/a -
NFC Yes - - - -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a Yes
Ringer ID n/a Yes n/a n/a Yes
Voice Dialing n/a Yes n/a n/a -
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a Yes n/a n/a Yes
Data & Network
Data Tethering n/a Yes n/a n/a Yes
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client n/a - n/a n/a Yes
EMS / Picture Messaging n/a Yes n/a n/a -
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a Yes n/a n/a Yes
Stereo Speakers - Yes - - -
Photo & Video
DLNA Yes - - - -
Miracast Yes - Yes - -
TV Output Yes Yes - - -
Power
Wireless Charging Yes * - - - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a - n/a n/a -
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a Yes n/a n/a Yes
Games n/a Yes n/a n/a Yes
Voice
HD Voice Yes - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG G3 (CDMA) Samsung SCH-A990 Asus ZenFone 4 Max 5.5" AT&T Calypso ZTE Z431 / Altair
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG G3 (CDMA) Samsung SCH-A990 Asus ZenFone 4 Max 5.5" AT&T Calypso ZTE Z431 / Altair

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