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Phone Asus PadFone X mini Asus Smartphone for Snapdragon Insiders Alcatel Pop Star ZTE Z221
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
6.8" diag.
20.5 : 9
4" diag.
5 : 3
2" diag.
4 : 3
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 144 Hz 60 Hz ?
Battery 2,060 mAh 4,000 mAh 2,000 mAh 900 mAh
Processor 1.6 GHz Intel Atom Z2560 2.8 GHz Qualcomm Snapdragon 888 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ?
RAM 1 GB 16 GB 1 GB ?
Storage 8 GB 512 GB 4 GB 142 MB
Main Camera 5 megapixel 64 megapixel 5 megapixel Yes
Wide Camera - 12 megapixel - -
Tele Camera - 8 megapixel - -
Video Capture 1080p HD 8K 1080p HD QCIF (176 x 144)
Front Camera 2 megapixel 24 megapixel Yes -
Weight 5.26 oz
(149g)
7.41 oz
(210g)
4.6 oz
(130g)
3.24 oz
(92g)
Dimensions 5.2" x 2.61" x 0.5"
(132 x 66 x 12.6 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
4.84" x 2.5" x 0.38"
(123 x 64 x 9.7 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS Android Android Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 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, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) NR (5G) LTE (Cat 3) HSDPA 3.6
Features 
Fingerprint Reader - Yes
stand-alone
- -
Flashlight Yes Yes Yes -
GPS / Location n/a n/a n/a Yes
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a -
NFC - Yes - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a n/a -
Ringer ID n/a n/a n/a -
Voice Dialing n/a n/a n/a -
Customization
Custom Graphics n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a -
Dual-SIM - Yes - -
WAP / Web Browser n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a n/a n/a Yes
Instant Messaging n/a n/a n/a Yes
MMS n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a n/a n/a -
Stereo Speakers - Yes - -
Power
Fast Charging - Yes - -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a Yes
Voice Memo n/a n/a n/a Yes
Software
Games n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a Yes
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes Yes
  Asus PadFone X mini Asus Smartphone for Snapdragon Insiders Alcatel Pop Star ZTE Z221
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus PadFone X mini Asus Smartphone for Snapdragon Insiders Alcatel Pop Star ZTE Z221

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