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Phone Samsung Galaxy Ring / Prevail 2 Samsung Galaxy Z Fold3 Motorola Droid 4
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
7.6" diag.
4 : 3
4" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1768 x 2208 pixels
(~372 ppi)
AMOLED
540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 120 Hz 60 Hz
Battery 1,750 mAh 4,400 mAh 1,785 mAh
Processor 1.4 GHz Qualcomm Snapdragon S2 MSM8655 Qualcomm Snapdragon 888 ?
RAM 1 GB 12 GB 1 GB
Storage 4 GB 256 GB * 16 GB
Main Camera 5 megapixel 12 megapixel 8 megapixel
Wide Camera - 12 megapixel -
Tele Camera - 12 megapixel -
Video Capture 720p HD 4K UHD 1080p HD
Front Camera 1 megapixel 10 megapixel 1 megapixel
Weight 3.4 oz
(96g)
9.56 oz
(271g)
6.31 oz
(179g)
Dimensions 4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
6.23" x 2.64" x 0.63"
(158 x 67 x 16 mm)
5" x 2.65" x 0.5"
(127 x 67 x 12.7 mm)
Platform / OS Android Android Android
Network Bands

CDMA: 800, 850, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 13

CDMA: 850, 1900

Data Technology EVDO rA NR (5G) LTE (Cat 3)
Features 
Barometer - Yes -
Fingerprint Reader - Yes
stand-alone
-
Flashlight - Yes -
Water-Resistant - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes
Alerts
Extra Display - Yes -
Connectivity
Bluetooth Yes Yes Yes
NFC - Yes -
USB Yes Yes
USB Type C
Yes
Micro-USB
UWB - Yes -
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
Data & Network
Dual-SIM - Yes -
Input
Side Keys Yes Yes Yes
Text Keyboard, Hardware - - Yes
Touch Screen Yes Yes Yes
Memory
Memory Card Slot Yes - Yes
Music
Headphone Jack (3.5mm) Yes - Yes
Stereo Speakers - Yes -
Photo & Video
DLNA Yes - Yes
TV Output - Yes Yes
Power
Fast Charging - Yes -
Wireless Charging - Yes -
Voice
HD Voice - Yes -
Speaker Phone Yes Yes Yes
  Samsung Galaxy Ring / Prevail 2 Samsung Galaxy Z Fold3 Motorola Droid 4
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy Ring / Prevail 2 Samsung Galaxy Z Fold3 Motorola Droid 4

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