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Phone Samsung Galaxy S21 Kyocera 3245 Amazon Fire Motorola EM330 / EM28 Motorola RAZR2 V9m
Current U.S. Carriers Verizon (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
? 4.7" diag.
16 : 9
1.8" diag.
4 : 3
2.2" diag.
4 : 3
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
?
LCD (Grayscale)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh 120 Hz ? ? ? ?
Battery 4,000 mAh ? 2,400 mAh 940 mAh 730 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 ? 2.2 GHz Qualcomm Snapdragon 800 ? ?
RAM 8 GB ? 2 GB ? ?
Storage 128 GB * ? raw hardware 32 GB * ? raw hardware ? raw hardware
Main Camera 12 megapixel - 13 megapixel 1 megapixel 2 megapixel
Wide Camera 12 megapixel - - - -
Tele Camera 64 megapixel - - - -
Video Capture 8K - 1080p HD ? ?
Front Camera 10 megapixel - 2 megapixel - -
Weight 6.03 oz
(171g)
4.23 oz
(120g)
5.64 oz
(160g)
3.17 oz
(90g)
4.13 oz
(117g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.61" x 1.97" x 1.02"
(117 x 50 x 25.9 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
4.06" x 2.1" x 0.47"
(103 x 53 x 11.9 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

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

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

Data Technology NR (5G) 1xRTT LTE (Cat 4) EDGE EVDO r0
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - - -
Flashlight Yes - Yes - -
GPS / Location n/a Yes Yes - Yes
Water-Resistant Yes
IPX8 (SCUBA)
- - - -
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes Yes
Ringer Profiles - - - - Yes *
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - Yes - -
NFC Yes - Yes - -
USB Yes
USB Type C
- Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a - Yes - Yes
Ringer ID n/a - Yes - Yes
Voice Dialing n/a Yes Yes - Yes
Customization
Custom Graphics n/a Yes - Yes Yes
Custom Ringtones n/a Yes Yes Yes Yes
Real-Music Ringers n/a - - Yes Yes
Data & Network
Data Tethering n/a Yes Yes - Yes *
WAP / Web Browser n/a Yes Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes Yes
Side Keys Yes - Yes Yes Yes
Touch Screen Yes - Yes - -
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client n/a - Yes - Yes *
EMS / Picture Messaging n/a Yes - Yes Yes
MMS n/a - Yes Yes Yes *
Text Messaging Templates n/a - Yes Yes Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player n/a - Yes Yes Yes
Stereo Speakers Yes - Yes - -
Photo & Video
Miracast - - Yes - -
TV Output Yes - Yes - -
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - -
Productivity
Alarm n/a Yes Yes Yes Yes
Calculator n/a Yes Yes Yes Yes
Calendar n/a Yes Yes Yes Yes
Voice Memo n/a Yes Yes - Yes
Software
BREW n/a Yes * - - Yes *
Games n/a Yes Yes Yes Yes
Java (J2ME) n/a - - Yes Yes *
Voice
HD Voice Yes - Yes - -
Headset Jack (2.5 mm) n/a Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S21 Kyocera 3245 Amazon Fire Motorola EM330 / EM28 Motorola RAZR2 V9m
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S21 Kyocera 3245 Amazon Fire Motorola EM330 / EM28 Motorola RAZR2 V9m

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