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Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Asus ROG Phone II Samsung SGH-X640 ZTE Max XL BlackBerry Curve 3G 9330
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
6.6" diag.
19.5 : 9
? 6" diag.
16 : 9
2.5" diag.
4 : 3
Display Resolution & Type 540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 120 Hz ? 60 Hz ?
Battery 2,600 mAh 6,000 mAh 800 mAh 3,990 mAh 1,150 mAh
Processor 1.4 GHz Samsung Exynos 7570 3 GHz Qualcomm Snapdragon 855 Plus ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) ?
RAM 2 GB 12 GB ? 2 GB ?
Storage 16 GB 512 GB ? raw hardware 16 GB ? raw hardware
Main Camera 8 megapixel 48 megapixel Yes 13 megapixel 2 megapixel
Wide Camera - 13 megapixel - - -
Tele Camera - - - - -
Video Capture 1080p HD 4K UHD - 1080p HD ?
Front Camera 5 megapixel 24 megapixel - 5 megapixel -
Weight 5.43 oz
(154g)
8.47 oz
(240g)
3 oz
(85g)
6.35 oz
(180g)
3.7 oz
(105g)
Dimensions 5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.5" x 3.3" x 0.37"
(165 x 84 x 9.4 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS Android Android (proprietary) Android BlackBerry OS
Network Bands

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 4) LTE (Cat 20) GPRS LTE (Cat 6) EVDO r0
Features 
Fingerprint Reader - Yes
in-display (optical)
- Yes
stand-alone
-
Flashlight Yes Yes - Yes -
GPS / Location n/a n/a - n/a n/a
Accessibility
Adjustable Text Size n/a n/a - n/a n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
NFC - Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
- Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID n/a n/a Yes n/a n/a
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a - n/a n/a
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Real-Music Ringers n/a n/a - n/a n/a
Data & Network
Data Tethering n/a n/a - n/a n/a
Dual-SIM - Yes - - -
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - 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 n/a
EMS / Picture Messaging n/a n/a Yes n/a n/a
Instant Messaging n/a n/a - n/a n/a
MMS n/a n/a Yes n/a n/a
Text Messaging Templates n/a n/a Yes n/a n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Music Player n/a n/a - n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - Yes -
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a Yes n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a Yes n/a n/a
Voice Memo n/a n/a Yes n/a n/a
Software
Games n/a n/a Yes n/a n/a
Java (J2ME) n/a n/a Yes n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Galaxy J2 / J2 Pure / J2 Dash Asus ROG Phone II Samsung SGH-X640 ZTE Max XL BlackBerry Curve 3G 9330
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Asus ROG Phone II Samsung SGH-X640 ZTE Max XL BlackBerry Curve 3G 9330

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