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Phone Samsung Galaxy S21 AT&T Vista Huawei M750 Pantech Reveal C790 HP Elite x3
Current U.S. Carriers Verizon (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
5.5" diag.
18 : 9
2.8" diag.
4 : 3
2.2" diag.
4 : 3
6" diag.
16 : 9
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~182 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~493 ppi)
AMOLED
Display Refresh 120 Hz 60 Hz ? ? ?
Battery 4,000 mAh 2,450 mAh 1,150 mAh 930 mAh 4,150 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 2 GHz MediaTek Helio A22 (MT6761V) ? ? 2.2 GHz Qualcomm Snapdragon 820 (MSM8996)
RAM 8 GB 3 GB ? ? 4 GB
Storage 128 GB * 32 GB ? raw hardware ? raw hardware 64 GB
Main Camera 12 megapixel 8 megapixel 1 megapixel 1 megapixel 16 megapixel
Wide Camera 12 megapixel - - - -
Tele Camera 64 megapixel - - - -
Video Capture 8K 1080p HD - QVGA (320 x 240) 4K UHD
Front Camera 10 megapixel 5 megapixel - - 8 megapixel
Weight 6.03 oz
(171g)
5.51 oz
(156g)
3.92 oz
(111g)
4.2 oz
(119g)
6.84 oz
(194g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
3.91" x 2.36" x 0.58"
(99 x 60 x 14.8 mm)
6.36" x 3.29" x 0.31"
(162 x 84 x 7.9 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android Android (proprietary) (proprietary) Windows
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: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1700, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 20, 29, 30

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) LTE (Cat 4) 1xRTT HSDPA 3.6 LTE (Cat 6)
Features 
Barometer Yes - - - Yes
Fingerprint Reader Yes
in-display (ultrasonic)
- - - Yes
Flashlight Yes 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 - Yes n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a n/a - Yes n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC Yes - - - Yes
USB Yes
USB Type C
Yes
USB Type C
Yes Yes Yes
USB Type C
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes Yes n/a
Ringer ID 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 n/a
Dual-SIM - - - - Yes *
WAP / Web Browser n/a n/a Yes Yes n/a
Input
Predictive Text Entry n/a n/a - Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Resistive
- Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes Yes n/a
Instant Messaging n/a n/a Yes Yes n/a
MMS n/a n/a Yes Yes n/a
Text Messaging Templates n/a n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player n/a n/a Yes Yes n/a
Stereo Speakers Yes - - - Yes
Photo & Video
Miracast - - - - Yes
TV Output Yes - - - Yes
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - 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
Voice Memo n/a n/a Yes Yes n/a
Software
BREW n/a n/a Yes - n/a
Games n/a n/a Yes Yes n/a
Java (J2ME) n/a n/a - Yes n/a
Voice
HD Voice Yes Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S21 AT&T Vista Huawei M750 Pantech Reveal C790 HP Elite x3
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Phone Samsung Galaxy S21 AT&T Vista Huawei M750 Pantech Reveal C790 HP Elite x3

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