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Phone LG Tritan AX-840 / UX-840 Audiovox CDM-9900 Samsung SPH-A760 / RL-A760 Nubia Red Magic 3 / 3S Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3" diag.
5 : 3
? ? 6.7" diag.
19.5 : 9
?
Display Resolution & Type 240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1080 x 2340 pixels
(~388 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 90 Hz ?
Battery 950 mAh ? 1,000 mAh 5,000 mAh 1,000 mAh
Processor ? ? ? Qualcomm Snapdragon 855+ ?
RAM ? ? ? 8 GB * ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * ? raw hardware
Main Camera 3 megapixel Yes - 48 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? - 4K UHD ?
Front Camera - - - 16 megapixel -
Weight 5.03 oz
(143g)
4.09 oz
(116g)
3.8 oz
(108g)
7.58 oz
(215g)
4.4 oz
(125g)
Dimensions 4.45" x 2.24" x 0.65"
(113 x 57 x 16.5 mm)
3.66" x 1.89" x 0.95"
(93 x 48 x 24.1 mm)
3.5" x 1.8" x 1"
(89 x 46 x 25.4 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slide Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 1xRTT 1xRTT LTE (Cat 9) EVDO r0
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes Yes
GPS / Location Yes Yes Yes n/a Yes
Accessibility
Adjustable Text Size Yes - - n/a -
Hearing Aid Compatible Yes - - - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes Yes - Yes
Connectivity
Bluetooth Yes - - Yes Yes
USB Yes
Micro-USB
Yes - Yes
USB Type C
Yes
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing Yes Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes - - n/a Yes
Data & Network
Data Tethering - Yes - n/a Yes
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry - Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen Yes - - Yes -
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes - - n/a -
EMS / Picture Messaging - Yes - n/a Yes
Instant Messaging Yes - - n/a -
MMS Yes Yes - n/a Yes
Text Messaging Templates Yes Yes - n/a Yes
Music
Headphone Jack (3.5mm) Yes - - Yes -
Music Player Yes - - n/a Yes
Stereo Speakers - - - Yes Yes
Photo & Video
TV Output - - - Yes Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List - Yes Yes n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW Yes Yes - n/a Yes
Games Yes Yes Yes n/a Yes
Java (J2ME) - - Yes n/a -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - Yes Yes n/a -
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  LG Tritan AX-840 / UX-840 Audiovox CDM-9900 Samsung SPH-A760 / RL-A760 Nubia Red Magic 3 / 3S Samsung SCH-A990
  X > < X > < X > < X > < X

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

 
Phone LG Tritan AX-840 / UX-840 Audiovox CDM-9900 Samsung SPH-A760 / RL-A760 Nubia Red Magic 3 / 3S Samsung SCH-A990

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