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Phone AT&T Vista Apple iPhone 12 mini Samsung SGH-X820 Samsung Galaxy A71 5G
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.5" diag.
18 : 9
5.4" diag.
19.5 : 9
? 6.7" diag.
20 : 9
Display Resolution & Type 720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~477 ppi)
AMOLED
220 x 176 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 60 Hz
Battery 2,450 mAh 2,227 mAh 650 mAh 4,500 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761V) Apple A14 Bionic ? 2.4 GHz Qualcomm Snapdragon 765
RAM 3 GB 4 GB ? 6 GB
Storage 32 GB 64 GB * ? raw hardware 128 GB
Main Camera 8 megapixel 12 megapixel 2 megapixel 64 megapixel
Wide Camera - 12 megapixel - 12 megapixel
Tele Camera - - - -
Video Capture 1080p HD 4K UHD ? 4K UHD
Front Camera 5 megapixel 12 megapixel - 32 megapixel
Weight 5.51 oz
(156g)
4.76 oz
(135g)
2.33 oz
(66g)
6.52 oz
(185g)
Dimensions 5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
5.18" x 2.53" x 0.29"
(132 x 64 x 7.4 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
6.39" x 2.97" x 0.31"
(162 x 75 x 7.9 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Android iOS (proprietary) Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 2, 5, 41, 66, 71, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 4) NR (5G) EDGE NR (5G)
Features 
Barometer - Yes - -
Fingerprint Reader - - - Yes
in-display (optical)
Flashlight Yes Yes - Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) - Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
NFC - Yes - Yes
USB Yes
USB Type C
Yes Yes Yes
USB Type C
UWB - Yes - -
Wi-Fi Yes Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes n/a
Ringer ID n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Dual-SIM - Yes - -
External Antenna Jack n/a n/a Yes n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client n/a n/a Yes n/a
EMS / Picture Messaging n/a n/a Yes n/a
MMS n/a n/a Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - - Yes
Stereo Speakers - Yes - -
Photo & Video
TV Output - Yes Yes -
Power
Fast Charging - Yes - Yes
Wireless Charging - Yes - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a Yes n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a Yes n/a
Java (J2ME) n/a n/a Yes n/a
Voice
HD Voice Yes Yes - Yes
Speaker Phone Yes Yes Yes Yes
  AT&T Vista Apple iPhone 12 mini Samsung SGH-X820 Samsung Galaxy A71 5G
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Vista Apple iPhone 12 mini Samsung SGH-X820 Samsung Galaxy A71 5G

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