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Phone LG K4 / Optimus Zone 3 / Rebel LG PM-225 Samsung SGH-X640 Apple iPhone 11 Pro Alcatel Pop Astro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? 5.8" diag.
19.5 : 9
4.5" diag.
16 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 1,940 mAh 1,000 mAh 800 mAh 3,190 mAh 2,000 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? ? Apple A13 Bionic 1.5 GHz MediaTek MTK6732
RAM 1.5 GB ? ? 4 GB 1 GB
Storage 16 GB * ? raw hardware ? raw hardware 64 GB * 4 GB
Main Camera 5 megapixel Yes Yes 12 megapixel 5 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture 720p HD - - 4K UHD 1080p HD
Front Camera 2 megapixel - - 12 megapixel Yes
Weight 3.99 oz
(113g)
3.35 oz
(95g)
3 oz
(85g)
6.63 oz
(188g)
5.11 oz
(145g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.67" x 2.81" x 0.32"
(144 x 71 x 8.1 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
Form Factor Slab Clamshell Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) iOS Android
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 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, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) 1xRTT GPRS LTE (Cat 18) LTE (Cat 4)
Features 
Barometer - - - Yes -
Flashlight Yes - - 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
M3, T3 (mostly tele-coil compatible)
- - Yes
M3, T4 (very tele-coil compatible)
Yes
M4, 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
Micro-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 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 - - 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
Memory
Memory Card Slot Yes - - - 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 n/a n/a
Text Messaging Templates n/a - Yes n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - - n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast Yes - - - -
TV Output - - - 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
Games n/a Yes Yes n/a n/a
Java (J2ME) n/a Yes Yes n/a n/a
Voice
HD Voice Yes * - - Yes Yes
Headset Jack (2.5 mm) n/a Yes Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel LG PM-225 Samsung SGH-X640 Apple iPhone 11 Pro Alcatel Pop Astro
  X > < X > < X > < X > < X

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

 
Phone LG K4 / Optimus Zone 3 / Rebel LG PM-225 Samsung SGH-X640 Apple iPhone 11 Pro Alcatel Pop Astro

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