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Phone Samsung SGH-X640 TCL 20 XE Samsung Galaxy J2 / J2 Pure / J2 Dash Samsung Galaxy Note II (Verizon) Samsung SPH-N270 (Matrix Phone)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
5" diag.
16 : 9
5.5" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 800 mAh 5,000 mAh 2,600 mAh 3,100 mAh 1,000 mAh
Processor ? 2 GHz MediaTek Helio P22 (MT6762) 1.4 GHz Samsung Exynos 7570 1.6 GHz Samsung Exynos ?
RAM ? 3 GB 2 GB 2 GB ?
Storage ? raw hardware 32 GB 16 GB 16 GB ? raw hardware
Main Camera Yes 13 megapixel 8 megapixel 8 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 1080p HD 1080p HD -
Front Camera - 5 megapixel 5 megapixel 2 megapixel -
Weight 3 oz
(85g)
6.88 oz
(195g)
5.43 oz
(154g)
6.35 oz
(180g)
4.66 oz
(132g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
5.94" x 3.16" x 0.38"
(151 x 80 x 9.7 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS LTE (Cat 6) LTE (Cat 4) LTE (Cat 3) -
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - -
GPS / Location - n/a n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Connectivity
Bluetooth - Yes Yes Yes -
Mobile Hotspot - n/a n/a n/a -
NFC - - - Yes -
USB - Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a -
Custom Ringtones Yes n/a n/a n/a -
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a -
WAP / Web Browser Yes n/a n/a n/a -
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Stylus - - - Yes -
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a -
Music
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Photo & Video
DLNA - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a -
Java (J2ME) Yes n/a n/a n/a -
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes -
  Samsung SGH-X640 TCL 20 XE Samsung Galaxy J2 / J2 Pure / J2 Dash Samsung Galaxy Note II (Verizon) Samsung SPH-N270 (Matrix Phone)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 TCL 20 XE Samsung Galaxy J2 / J2 Pure / J2 Dash Samsung Galaxy Note II (Verizon) Samsung SPH-N270 (Matrix Phone)

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