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Phone Samsung MM-A940 Samsung SPH/SCH-N300 Samsung Galaxy S21 Samsung SCH-A610
Current U.S. Carriers (none) (none) Verizon (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.2" diag.
20 : 9
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
128 x 64 pixels 1080 x 2400 pixels
(~424 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz ?
Battery ? ? 4,000 mAh 1,300 mAh
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 ?
RAM ? ? 8 GB ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware
Main Camera 2 megapixel - 12 megapixel Yes
Wide Camera - - 12 megapixel -
Tele Camera - - 64 megapixel -
Video Capture ? - 8K -
Front Camera - - 10 megapixel -
Weight 4.9 oz
(139g)
4.1 oz
(116g)
6.03 oz
(171g)
4.23 oz
(120g)
Dimensions 3.68" x 1.83" x 1.01"
(93 x 46 x 25.7 mm)
4.5" x 1.9" x 0.9"
(114 x 48 x 22.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
Form Factor Clamshell Flip Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

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

CDMA: 850, 1900

Data Technology EVDO r0 - NR (5G) 1xRTT
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (ultrasonic)
-
Flashlight - - Yes -
GPS / Location Yes Yes n/a Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes - n/a Yes
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes - Yes -
NFC - - Yes -
USB - - Yes
USB Type C
-
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes - n/a Yes
Ringer ID Yes - n/a Yes
Voice Dialing Yes Yes n/a Yes
Customization
Custom Graphics Yes - n/a Yes
Custom Ringtones Yes - n/a Yes
Data & Network
Data Tethering Yes Yes n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot Yes - - -
Messaging
EMS / Picture Messaging - - n/a Yes
MMS - - n/a Yes
Text Messaging Templates Yes - n/a Yes
Music
Music Player Yes - n/a -
Stereo Speakers - - Yes -
Photo & Video
TV Output - - Yes -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List Yes Yes n/a Yes
Voice Memo Yes - n/a Yes
Software
BREW - - n/a Yes
Games Yes Yes n/a Yes
Java (J2ME) Yes - n/a -
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a Yes
Speaker Phone Yes - Yes -
  Samsung MM-A940 Samsung SPH/SCH-N300 Samsung Galaxy S21 Samsung SCH-A610
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung MM-A940 Samsung SPH/SCH-N300 Samsung Galaxy S21 Samsung SCH-A610

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