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Phone Coolpad Defiant Alcatel Pop Astro TCL 20 Pro 5G Casio G'zOne Rock Samsung SGH-E640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
4.5" diag.
16 : 9
6.7" diag.
20 : 9
2.1" diag.
4 : 3
?
Display Resolution & Type 480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ? ?
Battery 2,450 mAh 2,000 mAh 4,500 mAh 1,150 mAh 800 mAh
Processor 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 1.5 GHz MediaTek MTK6732 2 GHz Qualcomm Snapdragon 750G ? ?
RAM 1 GB 1 GB 6 GB ? ?
Storage 8 GB 4 GB 256 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 5 megapixel 48 megapixel 2 megapixel 1 megapixel
Wide Camera - - 16 megapixel - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD 4K UHD ? QCIF (176 x 144)
Front Camera 2 megapixel Yes 32 megapixel - -
Weight 6.5 oz
(184g)
5.11 oz
(145g)
6.82 oz
(193g)
4.4 oz
(125g)
3.17 oz
(90g)
Dimensions 5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS Android Android Android (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 7, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 4) NR (5G) EVDO rA GPRS
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight Yes Yes Yes Yes -
GPS / Location n/a n/a n/a Yes -
Ruggedized - - - Yes -
Water-Resistant - - Yes
IPX2 (drip)
Yes -
Accessibility
Adjustable Text Size n/a n/a n/a - -
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot n/a n/a n/a - -
NFC - - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes Yes
Ringer ID n/a n/a n/a Yes Yes
Voice Dialing n/a n/a n/a Yes -
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes Yes
Data & Network
Data Tethering n/a n/a n/a Yes -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a n/a n/a Yes Yes
EMS / Picture Messaging n/a n/a n/a - Yes
Instant Messaging n/a n/a n/a Yes -
MMS n/a n/a n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes Yes
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a n/a Yes Yes
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a - Yes
Voice Memo n/a n/a n/a Yes Yes
Software
BREW n/a n/a n/a Yes -
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a - Yes
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) n/a n/a n/a Yes -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Coolpad Defiant Alcatel Pop Astro TCL 20 Pro 5G Casio G'zOne Rock Samsung SGH-E640
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Phone Coolpad Defiant Alcatel Pop Astro TCL 20 Pro 5G Casio G'zOne Rock Samsung SGH-E640

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