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Phone ZTE Z331 Samsung Galaxy Rush VK Mobile Kickflip Motorola Moto z4 Alcatel 665
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
3.5" diag.
5 : 3
? 6.4" diag.
19.5 : 9
1.8" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 950 mAh 1,750 mAh ? 3,600 mAh 650 mAh
Processor ? 1 GHz Qualcomm MSM8655 ? 2 GHz Qualcomm Snapdragon 675 ?
RAM ? 768 MB ? 4 GB 16 MB
Storage ? raw hardware 4 GB ? raw hardware 128 GB 32 MB
Main Camera 3 megapixel 3 megapixel 2 megapixel 48 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) VGA (640 x 480) QCIF (176 x 144) 4K UHD QCIF (176 x 144)
Front Camera - 1 megapixel - 25 megapixel -
Weight 4 oz
(113g)
4.2 oz
(119g)
4.47 oz
(127g)
6 oz
(170g)
2.72 oz
(77g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
4.84" x 2.36" x 0.47"
(123 x 60 x 11.9 mm)
3.88" x 1.96" x 0.98"
(99 x 50 x 24.9 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
Form Factor Clamshell Slab Swivel Slab Clamshell
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 1900

CDMA: 850, 1900

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 1900

Data Technology HSDPA 3.6 EVDO rA EVDO r0 LTE (Cat 12) -
Features 
Fingerprint Reader - - - Yes -
Flashlight - - Yes Yes -
GPS / Location Yes n/a Yes n/a -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - n/a - n/a -
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display Yes - - - Yes
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
NFC - - - Yes -
USB Yes
Micro-USB
Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 a,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a - n/a -
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a Yes n/a Yes
Data & Network
Data Tethering Yes n/a Yes n/a -
External Antenna Jack - n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes - Yes -
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a - n/a -
Instant Messaging Yes n/a - n/a Yes
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - - - Yes Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player Yes n/a Yes n/a Yes
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
Voice Memo Yes n/a Yes n/a Yes
Software
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a Yes n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a Yes n/a -
Speaker Phone Yes Yes Yes Yes Yes
  ZTE Z331 Samsung Galaxy Rush VK Mobile Kickflip Motorola Moto z4 Alcatel 665
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 Samsung Galaxy Rush VK Mobile Kickflip Motorola Moto z4 Alcatel 665

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