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Phone Samsung SPH-N270 (Matrix Phone) Samsung SGH-P705 Samsung Rugby A837 Samsung Galaxy S21 Samsung Galaxy A13 5G
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? ? 2" diag.
4 : 3
6.2" diag.
20 : 9
6.5" diag.
20 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 120 Hz 90 Hz
Battery 1,000 mAh ? 1,000 mAh 4,000 mAh 5,000 mAh
Processor ? ? ? 2.8 GHz Qualcomm Snapdragon 888 2.2 GHz MediaTek Dimensity 700 (MT6833)
RAM ? ? ? 8 GB 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * 64 GB
Main Camera - - 1 megapixel 12 megapixel 50 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 64 megapixel -
Video Capture - - QCIF (176 x 144) 8K 4K UHD
Front Camera - - - 10 megapixel 5 megapixel
Weight 4.66 oz
(132g)
4.59 oz
(130g)
4.66 oz
(132g)
6.03 oz
(171g)
6.88 oz
(195g)
Dimensions 4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
3.62" x 2.01" x 1.04"
(92 x 51 x 26.4 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
6.48" x 3.01" x 0.35"
(165 x 76 x 8.8 mm)
Form Factor Slide Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 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, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 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

Data Technology - GPRS HSDPA 3.6 NR (5G) NR (5G)
Features 
Barometer - - - Yes Yes
Fingerprint Reader - - - Yes
in-display (ultrasonic)
Yes
stand-alone
Flashlight - - - Yes Yes
GPS / Location Yes - Yes n/a n/a
Ruggedized - - Yes - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - Yes Yes - -
Connectivity
Bluetooth - - Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - - - Yes Yes
USB - - Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes - Yes n/a n/a
Ringer ID Yes - Yes n/a n/a
Voice Dialing Yes - - n/a n/a
Customization
Custom Graphics - Yes Yes n/a n/a
Custom Ringtones - Yes Yes n/a n/a
Real-Music Ringers - - Yes n/a n/a
Data & Network
Data Tethering - - Yes n/a n/a
WAP / Web Browser - Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys - Yes Yes Yes Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - Yes Yes n/a n/a
EMS / Picture Messaging - Yes - n/a n/a
Instant Messaging - - Yes n/a n/a
MMS - Yes Yes n/a n/a
Text Messaging Templates - Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player - - Yes n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes Yes - n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
Games - Yes Yes n/a n/a
Java (J2ME) - Yes Yes n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes Yes - n/a n/a
Push-To-Talk - - Yes - -
Speaker Phone - - Yes Yes Yes
  Samsung SPH-N270 (Matrix Phone) Samsung SGH-P705 Samsung Rugby A837 Samsung Galaxy S21 Samsung Galaxy A13 5G
  X > < X > < X > < X > < X

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

 
Phone Samsung SPH-N270 (Matrix Phone) Samsung SGH-P705 Samsung Rugby A837 Samsung Galaxy S21 Samsung Galaxy A13 5G

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