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Phone Motorola V220 Asus ROG Phone Ericsson R278d Samsung Knack U310 Samsung Trance SCH-U490
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6" diag.
18 : 9
? 2.2" diag.
4 : 3
2.1" diag.
4 : 3
Display Resolution & Type 128 x 128 pixels
LCD (STN)
1080 x 2160 pixels
(~402 ppi)
AMOLED
101 x 40 pixels 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 820 mAh 4,000 mAh ? 1,000 mAh ?
Processor ? 3 GHz Qualcomm Snapdragon 845 ? ? ?
RAM ? 8 GB ? ? ?
Storage ? raw hardware 128 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 12 megapixel - - 1 megapixel
Wide Camera - 8 megapixel - - -
Tele Camera - - - - -
Video Capture - 4K UHD - - -
Front Camera - 8 megapixel - - -
Weight 3.7 oz
(105g)
7.05 oz
(200g)
9.28 oz
(263g)
3.63 oz
(103g)
3.53 oz
(100g)
Dimensions 3.29" x 1.73" x 0.94"
(84 x 44 x 23.9 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)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
Form Factor Clamshell Slab Slab Clamshell Slide
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

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

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 16) - - 1xRTT
Features 
Fingerprint Reader - Yes - - -
Flashlight - Yes - - -
GPS / Location - n/a - Yes Yes
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size - n/a - Yes Yes
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) - - - Yes Yes
Alerts
Extra Display Yes - - Yes -
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth - Yes - - Yes
NFC - Yes - - -
USB Yes Yes
USB Type C
- - Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID Yes n/a - - Yes
Ringer ID Yes n/a - - Yes
Voice Dialing Yes n/a - Yes Yes
Customization
Custom Graphics Yes n/a - - Yes
Custom Ringtones Yes n/a Yes - Yes
Real-Music Ringers Yes n/a - - Yes
Data & Network
Data Tethering Yes n/a Yes - Yes
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a Yes - Yes
Input
Predictive Text Entry Yes n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- - -
Memory
Memory Card Slot - - - - Yes
Messaging
EMS / Picture Messaging Yes n/a - Yes -
Instant Messaging Yes n/a - - -
MMS Yes n/a - - Yes
Text Messaging Templates Yes n/a - - Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a - - Yes
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a - Yes Yes
Calendar Yes n/a - Yes Yes
Voice Memo - n/a - - Yes
Software
BREW - n/a - - Yes
Games Yes n/a - - Yes
Java (J2ME) Yes n/a - - -
Voice
Headset Jack (2.5 mm) Yes n/a - Yes -
Speaker Phone Yes Yes - Yes Yes
  Motorola V220 Asus ROG Phone Ericsson R278d Samsung Knack U310 Samsung Trance SCH-U490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola V220 Asus ROG Phone Ericsson R278d Samsung Knack U310 Samsung Trance SCH-U490

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