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Phone Samsung Rugby 4 Samsung Galaxy Ring / Prevail 2 Sony Xperia Z Ultra Samsung Galaxy A23 5G Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
4" diag.
5 : 3
6.4" diag.
16 : 9
6.6" diag.
20 : 9
?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
1080 x 2408 pixels
(~400 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 120 Hz ?
Battery 1,300 mAh 1,750 mAh 3,050 mAh 5,000 mAh 800 mAh
Processor Intel XMM6230 1.4 GHz Qualcomm Snapdragon S2 MSM8655 2.2 GHz Qualcomm Snapdragon 800 MSM8974 2.2 GHz Snapdragon 695 ?
RAM 128 MB 1 GB 2 GB 4 GB ?
Storage 256 MB 4 GB 16 GB 64 GB ? raw hardware
Main Camera 3 megapixel 5 megapixel 8 megapixel 50 megapixel Yes
Wide Camera - - - 5 megapixel -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 720p HD 1080p HD 1080p HD -
Front Camera - 1 megapixel 2 megapixel 8 megapixel -
Weight 5.22 oz
(148g)
3.4 oz
(96g)
7.48 oz
(212g)
6.87 oz
(195g)
3 oz
(85g)
Dimensions 4.25" x 2.17" x 0.85"
(108 x 55 x 21.6 mm)
4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
6.47" x 3.02" x 0.33"
(164 x 77 x 8.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 25, 30, 41, 48, 66, 70, 71, 77-C

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSPA+ 21 EVDO rA LTE (Cat 4) NR (5G) GPRS
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes n/a n/a n/a -
Ruggedized Yes - Yes - -
Water-Resistant Yes
IPX7 (snorkeling)
- Yes Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size Yes n/a n/a n/a -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
MirrorLink - - Yes - -
Mobile Hotspot - n/a n/a n/a -
NFC - - Yes Yes -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing Yes n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client Yes n/a n/a n/a -
EMS / Picture Messaging - n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a n/a -
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes Yes - -
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a n/a n/a Yes
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Rugby 4 Samsung Galaxy Ring / Prevail 2 Sony Xperia Z Ultra Samsung Galaxy A23 5G Samsung SGH-X640
  X > < X > < X > < X > < X

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

 
Phone Samsung Rugby 4 Samsung Galaxy Ring / Prevail 2 Sony Xperia Z Ultra Samsung Galaxy A23 5G Samsung SGH-X640

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