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Phone Samsung SGH-X640 ZTE Blade Max 3 / Max Blue Motorola moto g stylus (2020) Motorola ROKR Z6
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 6" diag.
16 : 9
6.4" diag.
19 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
1080 x 2300 pixels
(~397 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 800 mAh 4,000 mAh 4,000 mAh 750 mAh
Processor ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) Qualcomm Snapdragon 665 ?
RAM ? 2 GB 4 GB ?
Storage ? raw hardware 16 GB 128 GB ? raw hardware
Main Camera Yes 13 megapixel 48 megapixel 2 megapixel
Wide Camera - - 16 megapixel -
Tele Camera - - - -
Video Capture - 4K UHD 4K UHD ?
Front Camera - 5 megapixel 16 megapixel -
Weight 3 oz
(85g)
6.34 oz
(180g)
6.77 oz
(192g)
4.06 oz
(115g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.49" x 3.3" x 0.35"
(165 x 84 x 8.9 mm)
6.24" x 2.98" x 0.36"
(159 x 76 x 9.2 mm)
4.15" x 1.79" x 0.63"
(105 x 45 x 16 mm)
Form Factor Clamshell Slab Slab Slide
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25

WCDMA: 2, 4, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 4) LTE (Cat 13) EDGE
Features 
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
-
Flashlight - Yes Yes -
Water-Resistant - - Yes -
Accessibility
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth - Yes Yes Yes
USB - Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi - Yes
5 (802.11 ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a Yes
Data & Network
Data Tethering - n/a n/a 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
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - n/a n/a Yes
EMS / Picture Messaging Yes n/a n/a Yes
Instant Messaging - n/a n/a Yes
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a n/a Yes
Stereo Speakers - - Yes -
Power
Fast Charging - Yes 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 Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a Yes
Voice
Headset Jack (2.5 mm) Yes n/a n/a -
Speaker Phone Yes Yes Yes Yes
  Samsung SGH-X640 ZTE Blade Max 3 / Max Blue Motorola moto g stylus (2020) Motorola ROKR Z6
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 ZTE Blade Max 3 / Max Blue Motorola moto g stylus (2020) Motorola ROKR Z6

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