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Phone Samsung Galaxy S21 Motorola A845 Sony Ericsson TM506 Pantech Duo C810
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
? 2.2" diag.
4 : 3
2.2" diag.
4 : 3
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh 120 Hz ? ? ?
Battery 4,000 mAh ? 950 mAh 1,320 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 ? ? ARM 920t PXA27x
RAM 8 GB ? ? ?
Storage 128 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 12 megapixel Yes 2 megapixel 1 megapixel
Wide Camera 12 megapixel - - -
Tele Camera 64 megapixel - - -
Video Capture 8K ? QVGA (320 x 240) QVGA (320 x 240)
Front Camera 10 megapixel Yes - -
Weight 6.03 oz
(171g)
5.47 oz
(155g)
3.56 oz
(101g)
3.88 oz
(110g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
5.4" x 2.2" x 1"
(137 x 56 x 25.4 mm)
3.74" x 1.86" x 0.7"
(95 x 47 x 17.8 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
Form Factor Slab Slab Clamshell Slide
Platform / OS Android (proprietary) (proprietary) Windows Mobile Standard
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

WCDMA: 2

GSM: 850, 1800, 1900

WCDMA: 1, 4

GSM: 850, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) WCDMA (UMTS) HSDPA 3.6 HSDPA 1.8
Features 
Barometer Yes - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - -
Flashlight Yes - - -
GPS / Location n/a Yes Yes n/a
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible Yes - - -
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - Yes -
Ringer Profiles - Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - -
NFC Yes - - -
USB Yes
USB Type C
Yes Yes Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- - -
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a Yes Yes n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a Yes Yes n/a
Data & Network
Data Tethering n/a Yes - n/a
External Antenna Jack n/a - Yes n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes - - -
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client n/a Yes Yes n/a
EMS / Picture Messaging n/a Yes - n/a
Instant Messaging n/a Yes Yes n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a - Yes n/a
Music
Music Player n/a Yes Yes n/a
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Power
Fast Charging Yes - - -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a - Yes n/a
Voice Memo n/a Yes Yes n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes Yes n/a
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a Yes - n/a
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy S21 Motorola A845 Sony Ericsson TM506 Pantech Duo C810
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S21 Motorola A845 Sony Ericsson TM506 Pantech Duo C810

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