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Phone Casio Exilim C721 Samsung Galaxy Note 4 (CDMA) Sanyo SCP-3810 / Mirro HTC G2 Alcatel 665
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.3" diag.
4 : 3
5.7" diag.
16 : 9
2.4" diag.
4 : 3
3.7" diag.
5 : 3
1.8" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 920 mAh 3,220 mAh 1,000 mAh 1,300 mAh 650 mAh
Processor ? 2.7 GHz Qualcomm Snapdragon 805 ? 800 MHz Qualcomm S2 MSM7230 ?
RAM ? 3 GB ? ? 16 MB
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware 32 MB
Main Camera 5 megapixel 16 megapixel 1 megapixel 5 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 4K UHD - 720p HD QCIF (176 x 144)
Front Camera - 4 megapixel - - -
Weight 4.48 oz
(127g)
6.21 oz
(176g)
3.97 oz
(112g)
6.5 oz
(184g)
2.72 oz
(77g)
Dimensions 4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
6.04" x 3.09" x 0.33"
(154 x 79 x 8.5 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
Form Factor Clamshell Slab Clamshell Slab Clamshell
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

Data Technology EVDO rA LTE (Cat 4) 1xRTT HSPA 14.4 -
Features 
Fingerprint Reader - Yes - - -
Flashlight Yes Yes - - -
GPS / Location Yes n/a Yes n/a -
Ruggedized Yes - - - -
Water-Resistant Yes - - - -
Accessibility
Adjustable Text Size Yes n/a Yes n/a -
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes - Yes - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
MirrorLink - Yes - - -
Mobile Hotspot - n/a - n/a -
NFC - Yes - - -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing Yes n/a Yes n/a -
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a Yes n/a Yes
Data & Network
Data Tethering Yes n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes - Yes -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client - n/a Yes n/a -
EMS / Picture Messaging Yes n/a - n/a -
Instant Messaging Yes n/a Yes n/a Yes
MMS Yes n/a - n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player Yes n/a - n/a Yes
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
BREW Yes n/a - n/a -
Games Yes n/a Yes n/a Yes
Java (J2ME) - n/a Yes n/a Yes
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) - n/a Yes n/a -
Speaker Phone Yes Yes Yes Yes Yes
  Casio Exilim C721 Samsung Galaxy Note 4 (CDMA) Sanyo SCP-3810 / Mirro HTC G2 Alcatel 665
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio Exilim C721 Samsung Galaxy Note 4 (CDMA) Sanyo SCP-3810 / Mirro HTC G2 Alcatel 665

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