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Phone Apple iPhone 4S Samsung SGH-X640 LG AX-390 / UX-390 Apple iPhone 12 mini Samsung Galaxy J2 / J2 Pure / J2 Dash
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? ? 5.4" diag.
19.5 : 9
5" diag.
16 : 9
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1080 x 2340 pixels
(~477 ppi)
AMOLED
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery ? 800 mAh 1,000 mAh 2,227 mAh 2,600 mAh
Processor Apple A5 ? ? Apple A14 Bionic 1.4 GHz Samsung Exynos 7570
RAM ? ? ? 4 GB 2 GB
Storage 64 GB * ? raw hardware ? raw hardware 64 GB * 16 GB
Main Camera 8 megapixel Yes - 12 megapixel 8 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - - -
Video Capture 1080p HD - - 4K UHD 1080p HD
Front Camera Yes - - 12 megapixel 5 megapixel
Weight 4.9 oz
(139g)
3 oz
(85g)
3.74 oz
(106g)
4.76 oz
(135g)
5.43 oz
(154g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
5.18" x 2.53" x 0.29"
(132 x 64 x 7.4 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
Form Factor Slab Clamshell Clamshell Slab Slab
Platform / OS iOS (proprietary) (proprietary) iOS Android
Network Bands

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

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

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA 14.4 GPRS 1xRTT NR (5G) LTE (Cat 4)
Features 
Barometer - - - Yes -
Flashlight - - - Yes Yes
GPS / Location n/a - Yes n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size n/a - - n/a n/a
Hearing Aid Compatible Yes - Yes
M3 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes - - Yes Yes
Mobile Hotspot n/a - - n/a n/a
NFC - - - Yes -
USB Yes - - Yes Yes
Micro-USB
UWB - - - Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes n/a n/a
Ringer ID n/a Yes - n/a n/a
Voice Dialing n/a - Yes n/a n/a
Customization
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a Yes Yes n/a n/a
Real-Music Ringers n/a - Yes n/a n/a
Data & Network
Data Tethering n/a - - n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client n/a - - n/a n/a
EMS / Picture Messaging n/a Yes - n/a n/a
Instant Messaging n/a - - n/a n/a
MMS n/a Yes Yes n/a n/a
Text Messaging Templates n/a Yes - n/a n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - - n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output Yes - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
To-Do List n/a Yes - n/a n/a
Voice Memo n/a Yes Yes n/a n/a
Software
BREW n/a - Yes n/a n/a
Games n/a Yes Yes n/a n/a
Java (J2ME) n/a Yes - n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes Yes n/a n/a
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Apple iPhone 4S Samsung SGH-X640 LG AX-390 / UX-390 Apple iPhone 12 mini Samsung Galaxy J2 / J2 Pure / J2 Dash
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4S Samsung SGH-X640 LG AX-390 / UX-390 Apple iPhone 12 mini Samsung Galaxy J2 / J2 Pure / J2 Dash

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