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Phone AT&T Cingular Flip IV / Cricket Debut Flip LG Stylo 4 Asus ROG Phone II Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 2.8" diag.
4 : 3
6.2" diag.
18 : 9
6.6" diag.
19.5 : 9
?
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 120 Hz ?
Battery 1,450 mAh 3,300 mAh 6,000 mAh 800 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.8 GHz Qualcomm Snapdragon 450 3 GHz Qualcomm Snapdragon 855 Plus ?
RAM 512 MB 2 GB * 12 GB ?
Storage 4 GB 32 GB * 512 GB ? raw hardware
Main Camera 2 megapixel 13 megapixel 48 megapixel Yes
Wide Camera - - 13 megapixel -
Tele Camera - - - -
Video Capture WVGA / 480p 1080p HD 4K UHD -
Front Camera - 5 megapixel 24 megapixel -
Weight 4.59 oz
(130g)
6.07 oz
(172g)
8.47 oz
(240g)
3 oz
(85g)
Dimensions 4.13" x 2.14" x 0.74"
(105 x 54 x 18.9 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 14

WCDMA: 2, 4, 5

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 6) LTE (Cat 20) GPRS
Features 
Fingerprint Reader - Yes
stand-alone
Yes
in-display (optical)
-
Flashlight - Yes Yes -
GPS / Location Yes n/a n/a -
Accessibility
Adjustable Text Size Yes n/a n/a -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes Yes Yes -
Mobile Hotspot Yes n/a n/a -
NFC - Yes * Yes -
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID - n/a n/a Yes
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a -
Data & Network
Dual-SIM - - Yes -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Touch Screen - Yes Yes -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client Yes n/a n/a -
EMS / Picture Messaging - n/a n/a Yes
MMS Yes n/a n/a Yes
Text Messaging Templates - n/a n/a Yes
Music
FM Radio Yes Yes Yes -
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player Yes n/a n/a -
Stereo Speakers - - Yes -
Photo & Video
DLNA - Yes - -
TV Output - - Yes -
Power
Fast Charging - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
HD Voice Yes Yes - -
Headset Jack (2.5 mm) - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  AT&T Cingular Flip IV / Cricket Debut Flip LG Stylo 4 Asus ROG Phone II Samsung SGH-X640
  X > < X > < X > < X

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

 
Phone AT&T Cingular Flip IV / Cricket Debut Flip LG Stylo 4 Asus ROG Phone II Samsung SGH-X640

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