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Phone Motorola Sidekick Slide Motorola T720 / T721 (GSM) Samsung SGH-X640 Coolpad Quattro 4G Nubia RedMagic 5S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 4" diag.
5 : 3
6.7" diag.
19.5 : 9
Display Resolution & Type 320 x 240 pixels
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz 144 Hz
Battery ? ? 800 mAh 1,600 mAh 4,500 mAh
Processor 225 MHz TI OMAP 850 ? ? ? Qualcomm Snapdragon 865
RAM ? ? ? ? 8 GB *
Storage ? raw hardware ? raw hardware ? raw hardware 512 MB 128 GB *
Main Camera 1 megapixel - Yes 3 megapixel 64 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture - - - VGA (640 x 480) 4K UHD
Front Camera - - - Yes 8 megapixel
Weight 5.3 oz
(150g)
3.56 oz
(101g)
3 oz
(85g)
3.31 oz
(94g)
7.76 oz
(220g)
Dimensions 4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
Form Factor Slide Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EDGE GPRS GPRS LTE (Cat 3) NR (5G)
Features 
Fingerprint Reader - - - - Yes
Flashlight - - - - Yes
GPS / Location - - - n/a n/a
Accessibility
Adjustable Text Size Yes - - n/a n/a
Hearing Aid Compatible - - - Yes -
Multiple Languages - Yes Yes n/a n/a
TTY/TDD (Digital) - - - Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes - - Yes Yes
Mobile Hotspot - - - n/a n/a
USB Yes - - Yes Yes
USB Type C
Wi-Fi - - - Yes Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes - Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing - Yes - n/a n/a
Customization
Changeable Body Plates - Yes - - -
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes - - n/a n/a
Data & Network
Data Tethering - Yes - n/a n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry - Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - - Yes Yes
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client Yes Yes - n/a n/a
EMS / Picture Messaging - Yes Yes n/a n/a
Instant Messaging Yes - - n/a n/a
MMS Yes - Yes n/a n/a
Text Messaging Templates - Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes - - n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator - Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes - Yes n/a n/a
Voice Memo - Yes Yes n/a n/a
Software
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes Yes Yes n/a n/a
Voice
Headset Jack (2.5 mm) Yes Yes Yes n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Motorola Sidekick Slide Motorola T720 / T721 (GSM) Samsung SGH-X640 Coolpad Quattro 4G Nubia RedMagic 5S
  X > < X > < X > < X > < X

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

 
Phone Motorola Sidekick Slide Motorola T720 / T721 (GSM) Samsung SGH-X640 Coolpad Quattro 4G Nubia RedMagic 5S

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