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Phone Samsung MM-A900 / SPH-A900 / Ace Motorola i275 Asus ROG Phone Ericsson R278d LG Tritan AX-840 / UX-840
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6" diag.
18 : 9
? 3" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (Color)
1080 x 2160 pixels
(~402 ppi)
AMOLED
101 x 40 pixels 240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery ? 750 mAh 4,000 mAh ? 950 mAh
Processor ? ? 3 GHz Qualcomm Snapdragon 845 ? ?
RAM ? ? 8 GB ? ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 1 megapixel Yes 12 megapixel - 3 megapixel
Wide Camera - - 8 megapixel - -
Tele Camera - - - - -
Video Capture ? - 4K UHD - QVGA (320 x 240)
Front Camera - - 8 megapixel - -
Weight 3.9 oz
(111g)
4.6 oz
(130g)
7.05 oz
(200g)
9.28 oz
(263g)
5.03 oz
(143g)
Dimensions 3.86" x 2.01" x 0.57"
(98 x 51 x 14.5 mm)
4.8" x 1.93" x 0.98"
(122 x 49 x 24.9 mm)
6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.45" x 2.24" x 0.65"
(113 x 57 x 16.5 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

iDEN: 800

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology EVDO r0 - LTE (Cat 16) - EVDO r0
Features 
Fingerprint Reader - - Yes - -
Flashlight - - Yes - -
GPS / Location Yes Yes n/a - Yes
Water-Resistant - - Yes - -
Accessibility
Adjustable Text Size - - n/a - Yes
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes - Yes - Yes
NFC - - Yes - -
USB Yes - Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes - n/a - Yes
Ringer ID Yes Yes n/a - Yes
Voice Dialing Yes Yes n/a - Yes
Customization
Custom Graphics Yes Yes n/a - Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - - n/a - Yes
Data & Network
Data Tethering Yes Yes n/a Yes -
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes
Capacitive
- Yes
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client - - n/a - Yes
Instant Messaging - - n/a - Yes
MMS - Yes n/a - Yes
Text Messaging Templates Yes Yes n/a - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes - n/a - Yes
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes - n/a Yes Yes
Calculator Yes - n/a - Yes
Calendar Yes Yes n/a - Yes
To-Do List Yes - n/a - -
Voice Memo Yes Yes n/a - Yes
Software
BREW - - n/a - Yes
Games Yes Yes n/a - Yes
Java (J2ME) Yes Yes n/a - -
Voice
Headset Jack (2.5 mm) Yes Yes n/a - -
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes - Yes
  Samsung MM-A900 / SPH-A900 / Ace Motorola i275 Asus ROG Phone Ericsson R278d LG Tritan AX-840 / UX-840
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung MM-A900 / SPH-A900 / Ace Motorola i275 Asus ROG Phone Ericsson R278d LG Tritan AX-840 / UX-840

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