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Phone TCL 20 SE Samsung SGH-X640 Samsung Rugby A837 Samsung Galaxy Note Edge (GSM) Motorola i580
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.8" diag.
20.5 : 9
? 2" diag.
4 : 3
5.6" diag.
16 : 9
?
Display Resolution & Type 720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~525 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 5,000 mAh 800 mAh 1,000 mAh 3,000 mAh ?
Processor 1.6 GHz Qualcomm Snapdragon 460 ? ? 2.7 GHz Qualcomm Snapdragon 805 (APQ8084) ?
RAM 4 GB ? ? 3 GB ?
Storage 128 GB ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 48 megapixel Yes 1 megapixel 16 megapixel 1 megapixel
Wide Camera 5 megapixel - - - -
Tele Camera - - - - -
Video Capture 1080p HD - QCIF (176 x 144) 4K UHD ?
Front Camera 13 megapixel - - 4 megapixel -
Weight 7.31 oz
(207g)
3 oz
(85g)
4.66 oz
(132g)
6.14 oz
(174g)
4.9 oz
(139g)
Dimensions 6.78" x 3.04" x 0.35"
(172 x 77 x 8.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
5.96" x 3.24" x 0.33"
(151 x 82 x 8.3 mm)
3.68" x 2.2" x 1.2"
(93 x 56 x 30.5 mm)
Form Factor Slab Clamshell Clamshell Slab Clamshell
Platform / OS Android (proprietary) (proprietary) Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

iDEN: 800

Data Technology LTE (Cat 4) GPRS HSDPA 3.6 LTE (Cat 4) WiDEN
Features 
Fingerprint Reader Yes
stand-alone
- - Yes -
Flashlight Yes - - Yes -
GPS / Location n/a - Yes n/a Yes
Ruggedized - - Yes - Yes
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - - Yes -
MirrorLink - - - Yes -
NFC - - - Yes -
USB Yes
USB Type C
- Yes Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a Yes Yes n/a Yes
Ringer ID n/a Yes Yes n/a Yes
Voice Dialing n/a - - n/a Yes
Customization
Custom Graphics n/a Yes Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - Yes n/a -
Data & Network
Data Tethering n/a - Yes n/a Yes
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Touch Screen Yes - - Yes -
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a - Yes n/a -
EMS / Picture Messaging n/a Yes - n/a -
Instant Messaging n/a - Yes n/a -
MMS n/a Yes Yes n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - Yes -
Music Player n/a - Yes n/a Yes *
Photo & Video
DLNA - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a -
Calculator n/a Yes Yes n/a Yes *
Calendar n/a Yes Yes n/a Yes
To-Do List n/a Yes - n/a -
Voice Memo n/a Yes Yes n/a Yes
Software
Games n/a Yes Yes n/a Yes
Java (J2ME) n/a Yes Yes n/a Yes
Voice
HD Voice Yes - - Yes -
Headset Jack (2.5 mm) n/a Yes - n/a Yes
Push-To-Talk - - Yes - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  TCL 20 SE Samsung SGH-X640 Samsung Rugby A837 Samsung Galaxy Note Edge (GSM) Motorola i580
  X > < X > < X > < X > < X

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

 
Phone TCL 20 SE Samsung SGH-X640 Samsung Rugby A837 Samsung Galaxy Note Edge (GSM) Motorola i580

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