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Phone Samsung Galaxy S21 Alcatel Conquest Kyocera 3225 Samsung SCH-A990 HTC Dash / S620 / S621 (Excalibur)
Current U.S. Carriers Verizon (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
5" diag.
16 : 9
? ? ?
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
240 x 320 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh 120 Hz 60 Hz ? ? ?
Battery 4,000 mAh 2,500 mAh ? 1,000 mAh 960 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) ? ? 200 MHz OMAP 850
RAM 8 GB 1 GB ? ? ?
Storage 128 GB * 8 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 12 megapixel 5 megapixel - 3 megapixel 1 megapixel
Wide Camera 12 megapixel - - - -
Tele Camera 64 megapixel - - - -
Video Capture 8K 720p HD - ? ?
Front Camera 10 megapixel 2 megapixel - - -
Weight 6.03 oz
(171g)
4.94 oz
(140g)
4.23 oz
(120g)
4.4 oz
(125g)
4.23 oz
(120g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
5.64" x 2.89" x 0.36"
(143 x 73 x 9.1 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.39" x 2.46" x 0.51"
(112 x 62 x 13 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS Android 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

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) LTE (Cat 4) 1xRTT EVDO r0 EDGE
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - - -
Flashlight Yes - - Yes -
GPS / Location n/a n/a Yes Yes n/a
Water-Resistant Yes
IPX8 (SCUBA)
Yes
IPX7 (snorkeling)
- - -
Accessibility
Adjustable Text Size n/a n/a - - n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
- Yes
M3 (mostly compatible)
-
Multiple Languages n/a n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot n/a n/a - - n/a
NFC Yes - - - -
USB Yes
USB Type C
Yes
Micro-USB
- Yes Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
- - Yes
802.11 b,g
Contacts
Picture ID n/a n/a - Yes n/a
Ringer ID n/a n/a - Yes n/a
Voice Dialing n/a n/a Yes Yes n/a
Customization
Custom Graphics n/a n/a Yes Yes n/a
Custom Ringtones n/a n/a Yes Yes n/a
Real-Music Ringers n/a n/a - Yes n/a
Data & Network
Data Tethering n/a n/a Yes Yes n/a
External Antenna Jack n/a n/a - - n/a
WAP / Web Browser n/a n/a Yes Yes n/a
Input
Predictive Text Entry n/a n/a Yes Yes n/a
Side Keys Yes Yes - Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- - -
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client n/a n/a - - n/a
EMS / Picture Messaging n/a n/a Yes Yes n/a
Instant Messaging n/a n/a - - n/a
MMS n/a n/a - Yes n/a
Text Messaging Templates n/a n/a - Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - - -
Music Player n/a n/a - Yes n/a
Stereo Speakers Yes - - Yes -
Photo & Video
Miracast - Yes - - -
TV Output Yes - - Yes -
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - -
Productivity
Alarm n/a n/a Yes Yes n/a
Calculator n/a n/a Yes Yes n/a
Calendar n/a n/a Yes Yes n/a
To-Do List n/a n/a - - n/a
Voice Memo n/a n/a - Yes n/a
Software
BREW n/a n/a Yes Yes n/a
Games n/a n/a Yes Yes n/a
Java (J2ME) n/a n/a - - n/a
Voice
HD Voice Yes Yes - - -
Headset Jack (2.5 mm) n/a n/a Yes - n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S21 Alcatel Conquest Kyocera 3225 Samsung SCH-A990 HTC Dash / S620 / S621 (Excalibur)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S21 Alcatel Conquest Kyocera 3225 Samsung SCH-A990 HTC Dash / S620 / S621 (Excalibur)

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