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Phone Casio Exilim C721 Samsung Galaxy Note 3 (CDMA) Coolpad Conjr Samsung Rugby A837 Samsung Galaxy A71 5G
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
5" diag.
16 : 9
2" diag.
4 : 3
6.7" diag.
20 : 9
Display Resolution & Type 240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~386 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 920 mAh 3,200 mAh 2,500 mAh 1,000 mAh 4,500 mAh
Processor ? 2.3 GHz Qualcomm Snapdragon 800 1 GHz MediaTek MT6735 ? 2.4 GHz Qualcomm Snapdragon 765
RAM ? 3 GB 3 GB ? 6 GB
Storage ? raw hardware 32 GB 16 GB ? raw hardware 128 GB
Main Camera 5 megapixel 13 megapixel 13 megapixel 1 megapixel 64 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 4K UHD 1080p HD QCIF (176 x 144) 4K UHD
Front Camera - 2 megapixel 8 megapixel - 32 megapixel
Weight 4.48 oz
(127g)
5.93 oz
(168g)
5.14 oz
(146g)
4.66 oz
(132g)
6.52 oz
(185g)
Dimensions 4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
5.95" x 3.12" x 0.33"
(151 x 79 x 8.4 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
6.39" x 2.97" x 0.31"
(162 x 75 x 7.9 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

CDMA: 850, 1900

4G LTE: 4, 13, 25

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 41, 66, 71, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO rA LTE (Cat 4) LTE (Cat 4) HSDPA 3.6 NR (5G)
Features 
Fingerprint Reader - - Yes
stand-alone
- Yes
in-display (optical)
Flashlight Yes Yes Yes - Yes
GPS / Location Yes n/a n/a Yes n/a
Ruggedized Yes - - Yes -
Water-Resistant Yes - - - -
Accessibility
Adjustable Text Size Yes n/a n/a - n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a n/a - n/a
NFC - Yes - - Yes
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing Yes n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers Yes n/a n/a Yes n/a
Data & Network
Data Tethering Yes n/a n/a Yes n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Touch Screen - Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client - n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a - n/a
Instant Messaging Yes n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player Yes n/a n/a Yes n/a
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW Yes n/a n/a - n/a
Games Yes n/a n/a Yes n/a
Java (J2ME) - n/a n/a Yes n/a
Voice
HD Voice - Yes * - - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Casio Exilim C721 Samsung Galaxy Note 3 (CDMA) Coolpad Conjr Samsung Rugby A837 Samsung Galaxy A71 5G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio Exilim C721 Samsung Galaxy Note 3 (CDMA) Coolpad Conjr Samsung Rugby A837 Samsung Galaxy A71 5G

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