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Phone Casio Exilim C721 Samsung SGH-E635 / SGH-E630 HTC SPV C550 (Hurricane) Palm Treo 680 Asus ROG Phone II
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 2.3" diag.
4 : 3
? ? ? 6.6" diag.
19.5 : 9
Display Resolution & Type 240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
Display Refresh ? ? ? ? 120 Hz
Battery 920 mAh 800 mAh ? ? 6,000 mAh
Processor ? ? ? ? 3 GHz Qualcomm Snapdragon 855 Plus
RAM ? ? ? ? 12 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 512 GB
Main Camera 5 megapixel Yes 1 megapixel Yes 48 megapixel
Wide Camera - - - - 13 megapixel
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - ? CIF (352 x 288) 4K UHD
Front Camera - - - - 24 megapixel
Weight 4.48 oz
(127g)
2.78 oz
(79g)
3.77 oz
(107g)
5.5 oz
(156g)
8.47 oz
(240g)
Dimensions 4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
3.34" x 1.69" x 0.85"
(85 x 43 x 21.6 mm)
4.25" x 1.81" x 0.69"
(108 x 46 x 17.5 mm)
4.4" x 2.3" x 0.8"
(112 x 58 x 20.3 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) Windows Mobile Standard Palm OS Android
Network Bands

CDMA: 850, 1900

GSM: 850, 1800, 1900

*

GSM: 900, 1800, 1900

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

Data Technology EVDO rA GPRS GPRS EDGE LTE (Cat 20)
Features 
Fingerprint Reader - - - - Yes
in-display (optical)
Flashlight Yes - - - Yes
GPS / Location Yes - n/a n/a n/a
Ruggedized Yes - - - -
Water-Resistant Yes - - - -
Accessibility
Adjustable Text Size Yes - n/a n/a n/a
Hearing Aid Compatible Yes - - - Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- Yes Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes Yes Yes -
NFC - - - - Yes
USB Yes - Yes Yes Yes
USB Type C
Wi-Fi - - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a n/a
Dual-SIM - - - - Yes
External Antenna Jack - - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a n/a
Instant Messaging Yes - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player Yes - n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
Headset Jack (2.5 mm) - - n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Casio Exilim C721 Samsung SGH-E635 / SGH-E630 HTC SPV C550 (Hurricane) Palm Treo 680 Asus ROG Phone II
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio Exilim C721 Samsung SGH-E635 / SGH-E630 HTC SPV C550 (Hurricane) Palm Treo 680 Asus ROG Phone II

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