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Phone LG Tritan AX-840 / UX-840 Samsung SPH-N400 Samsung Chrono Google Pixel 3a XL HTC Touch Pro2 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3" diag.
5 : 3
? 2" diag.
4 : 3
6" diag.
18 : 9
3.6" diag.
5 : 3
Display Resolution & Type 240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
480 x 800 pixels
(~259 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 950 mAh ? ? 3,700 mAh 1,500 mAh
Processor ? ? ? 2 GHz Qualcomm Snapdragon 670 528 MHz MSM7600
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 64 GB ? raw hardware
Main Camera 3 megapixel - Yes 12 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - - 4K UHD ?
Front Camera - - - 8 megapixel -
Weight 5.03 oz
(143g)
4 oz
(113g)
3.14 oz
(89g)
5.89 oz
(167g)
6.35 oz
(180g)
Dimensions 4.45" x 2.24" x 0.65"
(113 x 57 x 16.5 mm)
4.25" x 2.04" x 0.82"
(108 x 52 x 20.8 mm)
3.7" x 1.83" x 0.67"
(94 x 46 x 17 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
4.57" x 2.33" x 0.68"
(116 x 59 x 17.3 mm)
Form Factor Slide Flip Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Windows Mobile Professional
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 1xRTT 1xRTT LTE (Cat 11) EVDO rA
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes Yes Yes n/a n/a
Accessibility
Adjustable Text Size Yes - - n/a n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes - Yes Yes Yes
NFC - - - Yes -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Yes
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing Yes Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes - - n/a n/a
Data & Network
Data Tethering - Yes - n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry - Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware Yes - - - Yes
Touch Screen Yes - - Yes
Capacitive
Yes
Resistive
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes - Yes n/a n/a
Instant Messaging Yes - - n/a n/a
MMS Yes - Yes n/a n/a
Text Messaging Templates Yes - Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player Yes - - n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - Yes - n/a n/a
Voice Memo Yes - Yes n/a n/a
Software
BREW Yes - Yes n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes - n/a n/a
Voice
Call Screening - - - Yes -
HD Voice - - - Yes -
Headset Jack (2.5 mm) - Yes - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  LG Tritan AX-840 / UX-840 Samsung SPH-N400 Samsung Chrono Google Pixel 3a XL HTC Touch Pro2 (CDMA)
  X > < X > < X > < X > < X

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

 
Phone LG Tritan AX-840 / UX-840 Samsung SPH-N400 Samsung Chrono Google Pixel 3a XL HTC Touch Pro2 (CDMA)

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