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Phone Motorola Rival A455 Asus ROG Phone II Samsung Wafer R510 Motorola i580 Samsung SGH-A657
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
6.6" diag.
19.5 : 9
1.9" diag.
4 : 3
? ?
Display Resolution & Type 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 120 Hz ? ? ?
Battery 940 mAh 6,000 mAh 800 mAh ? 1,420 mAh
Processor ? 3 GHz Qualcomm Snapdragon 855 Plus ? ? ?
RAM ? 12 GB ? ? ?
Storage ? raw hardware 512 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 48 megapixel 1 megapixel 1 megapixel -
Wide Camera - 13 megapixel - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 4K UHD ? ? -
Front Camera - 24 megapixel - - -
Weight 4.48 oz
(127g)
8.47 oz
(240g)
2.47 oz
(70g)
4.9 oz
(139g)
4.34 oz
(123g)
Dimensions 3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
3.68" x 2.2" x 1.2"
(93 x 56 x 30.5 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
Form Factor Slide Slab Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

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

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

iDEN: 800

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 20) EVDO r0 WiDEN HSDPA 3.6
Features 
Fingerprint Reader - Yes
in-display (optical)
- - -
Flashlight - Yes - - Yes
GPS / Location Yes n/a Yes Yes Yes
Ruggedized - - - Yes Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
- - Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID Yes n/a Yes Yes Yes
Ringer ID Yes n/a - Yes Yes
Voice Dialing Yes n/a Yes Yes -
Customization
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes 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 Yes
Input
Predictive Text Entry - n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes Yes - - -
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes n/a - - Yes
EMS / Picture Messaging Yes n/a - - -
Instant Messaging Yes n/a - - Yes
MMS Yes n/a Yes Yes Yes
Text Messaging Templates Yes n/a - Yes Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - - -
Music Player Yes n/a Yes Yes * Yes
Stereo Speakers - Yes Yes - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes - Yes
Calculator Yes n/a Yes Yes * Yes
Calendar Yes n/a Yes Yes Yes
To-Do List - n/a - - Yes
Voice Memo Yes n/a Yes Yes Yes
Software
BREW Yes n/a Yes - -
Games Yes n/a Yes Yes Yes
Java (J2ME) - n/a - Yes Yes
Voice
Headset Jack (2.5 mm) - n/a - Yes -
Push-To-Talk - - - Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Rival A455 Asus ROG Phone II Samsung Wafer R510 Motorola i580 Samsung SGH-A657
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Rival A455 Asus ROG Phone II Samsung Wafer R510 Motorola i580 Samsung SGH-A657

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