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Phone Sanyo MM-7400 Samsung Galaxy Ring / Prevail 2 Samsung Galaxy S6 (GSM) Motorola T720 / T721 (GSM)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
5.1" diag.
16 : 9
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
120 x 160 pixels
LCD (STN)
Display Refresh ? 60 Hz 60 Hz ?
Battery 1,000 mAh 1,750 mAh 2,550 mAh ?
Processor ? 1.4 GHz Qualcomm Snapdragon S2 MSM8655 2.1 GHz Samsung Exynos 7420 ?
RAM ? 1 GB 3 GB ?
Storage ? raw hardware 4 GB 32 GB * ? raw hardware
Main Camera Yes 5 megapixel 16 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) 720p HD 4K UHD -
Front Camera - 1 megapixel 5 megapixel -
Weight 4.06 oz
(115g)
3.4 oz
(96g)
4.87 oz
(138g)
3.56 oz
(101g)
Dimensions 3.64" x 1.97" x 1.13"
(92 x 50 x 28.7 mm)
4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 800, 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

Data Technology 1xRTT EVDO rA LTE (Cat 6) GPRS
Features 
Fingerprint Reader - - Yes -
Flashlight Yes - Yes -
GPS / Location Yes n/a n/a -
VR-ready - - Yes -
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible - Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - Yes
Connectivity
Bluetooth - Yes Yes -
Infrared (IR) - - Yes -
MirrorLink - - Yes -
NFC - - Yes -
USB Yes Yes Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a -
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Changeable Body Plates Yes - - Yes
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a -
Data & Network
Data Tethering Yes n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - n/a n/a Yes
EMS / Picture Messaging - n/a n/a Yes
Instant Messaging - n/a n/a -
MMS - n/a n/a -
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a n/a -
Photo & Video
DLNA - Yes Yes -
Miracast - - Yes -
TV Output - - Yes -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List Yes n/a n/a -
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a Yes
Voice
Call Screening Yes - - -
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes n/a n/a Yes
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes -
  Sanyo MM-7400 Samsung Galaxy Ring / Prevail 2 Samsung Galaxy S6 (GSM) Motorola T720 / T721 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sanyo MM-7400 Samsung Galaxy Ring / Prevail 2 Samsung Galaxy S6 (GSM) Motorola T720 / T721 (GSM)

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