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Phone Casio G'zOne Rock Samsung SGH-X640 Samsung Captivate Glide Asus ROG Phone II Sony Ericsson T68i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? 4" diag.
5 : 3
6.6" diag.
19.5 : 9
?
Display Resolution & Type 240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
1080 x 2340 pixels
(~391 ppi)
AMOLED
101 x 80 pixels
LCD (STN)
Display Refresh ? ? 60 Hz 120 Hz ?
Battery 1,150 mAh 800 mAh 1,650 mAh 6,000 mAh 700 mAh
Processor ? ? 1 GHz Nvidia Tegra 2 AP20H 3 GHz Qualcomm Snapdragon 855 Plus ?
RAM ? ? 1 GB 12 GB ?
Storage ? raw hardware ? raw hardware 8 GB 512 GB ? raw hardware
Main Camera 2 megapixel Yes 8 megapixel 48 megapixel -
Wide Camera - - - 13 megapixel -
Tele Camera - - - - -
Video Capture ? - 720p HD 4K UHD -
Front Camera - - 1 megapixel 24 megapixel -
Weight 4.4 oz
(125g)
3 oz
(85g)
5.2 oz
(147g)
8.47 oz
(240g)
2.96 oz
(84g)
Dimensions 4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.88" x 2.55" x 0.51"
(124 x 65 x 13 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
Form Factor Clamshell Clamshell Slide Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 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

GSM: 900, 1800, 1900

Data Technology EVDO rA GPRS HSPA+ 21 LTE (Cat 20) GPRS
Features 
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight Yes - - Yes -
GPS / Location Yes - n/a n/a -
Ruggedized Yes - - - -
Water-Resistant Yes - - - -
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes - -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
Mobile Hotspot - - n/a n/a -
NFC - - - Yes -
USB Yes - Yes
Micro-USB
Yes
USB Type C
-
Wi-Fi - - Yes Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing Yes - n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes - n/a n/a -
Data & Network
Data Tethering Yes - n/a n/a Yes
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes - Yes - -
Messaging
Email Client Yes - n/a n/a Yes
EMS / Picture Messaging - Yes n/a n/a Yes
Instant Messaging Yes - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player Yes - n/a n/a -
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - Yes - -
TV Output - - Yes Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List - Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
BREW Yes - n/a n/a -
Games Yes Yes n/a n/a Yes
Java (J2ME) - Yes n/a n/a -
Voice
Headset Jack (2.5 mm) Yes Yes n/a n/a -
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes -
  Casio G'zOne Rock Samsung SGH-X640 Samsung Captivate Glide Asus ROG Phone II Sony Ericsson T68i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio G'zOne Rock Samsung SGH-X640 Samsung Captivate Glide Asus ROG Phone II Sony Ericsson T68i

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