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Phone Asus ROG Phone II Samsung SGH-X640 Samsung Omnia i910 Motorola ROKR Z6 Motorola i580
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size 6.6" diag.
19.5 : 9
? 3.2" diag.
5 : 3
? ?
Display Resolution & Type 1080 x 2340 pixels
(~391 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 120 Hz ? ? ? ?
Battery 6,000 mAh 800 mAh 1,440 mAh 750 mAh ?
Processor 3 GHz Qualcomm Snapdragon 855 Plus ? 624 MHz Marvell PXA312 ? ?
RAM 12 GB ? ? ? ?
Storage 512 GB ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera 48 megapixel Yes 5 megapixel 2 megapixel 1 megapixel
Wide Camera 13 megapixel - - - -
Tele Camera - - - - -
Video Capture 4K UHD - VGA (640 x 480) ? ?
Front Camera 24 megapixel - - - -
Weight 8.47 oz
(240g)
3 oz
(85g)
4.16 oz
(118g)
4.06 oz
(115g)
4.9 oz
(139g)
Dimensions 6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.4" x 2.24" x 0.51"
(112 x 57 x 13 mm)
4.15" x 1.79" x 0.63"
(105 x 45 x 16 mm)
3.68" x 2.2" x 1.2"
(93 x 56 x 30.5 mm)
Form Factor Slab Clamshell Slab Slide Clamshell
Platform / OS Android (proprietary) Windows Mobile Professional (proprietary) (proprietary)
Network Bands

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

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

iDEN: 800

Data Technology LTE (Cat 20) GPRS EVDO rA EDGE WiDEN
Features 
Fingerprint Reader Yes
in-display (optical)
- - - -
Flashlight Yes - Yes - -
GPS / Location n/a - n/a - Yes
Ruggedized - - - - Yes
Accessibility
Adjustable Text Size n/a - n/a - -
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
NFC Yes - - - -
USB Yes
USB Type C
- Yes Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
802.11 b,g
- -
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a - n/a - Yes
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a - n/a Yes -
Data & Network
Data Tethering n/a - n/a Yes Yes
Dual-SIM Yes - - - -
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Touch Screen Yes - Yes - -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a - n/a Yes -
EMS / Picture Messaging n/a Yes n/a Yes -
Instant Messaging n/a - n/a Yes -
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
FM Radio Yes - Yes - -
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - n/a Yes Yes *
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - Yes - -
TV Output Yes - Yes - -
Power
Fast Charging Yes - - - -
Productivity
Alarm n/a Yes n/a Yes -
Calculator n/a Yes n/a Yes Yes *
Calendar n/a Yes n/a Yes Yes
To-Do List n/a Yes n/a Yes -
Voice Memo n/a Yes n/a Yes Yes
Software
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a Yes Yes
Voice
Headset Jack (2.5 mm) n/a Yes n/a - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Asus ROG Phone II Samsung SGH-X640 Samsung Omnia i910 Motorola ROKR Z6 Motorola i580
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus ROG Phone II Samsung SGH-X640 Samsung Omnia i910 Motorola ROKR Z6 Motorola i580

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