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Phone	Samsung Galaxy J2 / J2 Pure / J2 Dash	Samsung SPH-A660 / VI660	Palm Treo 650 (CDMA)	Sonim XP3	BlackBerry Curve 8330
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5" diag. 16 : 9	?	?	2.6" diag. 4 : 3	?
Display Resolution & Type	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,600 mAh	?	?	1,500 mAh	1,150 mAh
Processor	1.4 GHz Samsung Exynos 7570	?	312 MHz Intel XScale PXA270	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	2 GB	?	?	1 GB	?
Storage	16 GB	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	8 megapixel	-	Yes	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	QVGA (320 x 240)	?	?
Front Camera	5 megapixel	-	-	-	-
Weight	5.43 oz (154g)	3.54 oz (100g)	6.3 oz (179g)	6.88 oz (195g)	4.02 oz (114g)
Dimensions	5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.4" x 2.3" x 1.1" (112 x 58 x 27.9 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	Palm OS	(proprietary)	BlackBerry OS
Network Bands	4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	LTE (Cat 4)	1xRTT	1xRTT	LTE (Cat 4)	EVDO r0
Features
Barometer	-	-	-	Yes	-
Flashlight	Yes	-	-	Yes	-
GPS / Location	n/a	Yes	n/a	Yes	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes IPX8 (SCUBA)	-
Accessibility
Adjustable Text Size	n/a	-	n/a	Yes	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	Yes	n/a
USB	Yes Micro-USB	-	-	Yes USB Type C	Yes Mini-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
Dual-SIM	-	-	-	Yes	-
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	Yes Capacitive	-	Yes	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	-	n/a	Yes	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	-	n/a	Yes	n/a
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	-	n/a
Java (J2ME)	n/a	Yes	n/a	-	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	-	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung Galaxy J2 / J2 Pure / J2 Dash	Samsung SPH-A660 / VI660	Palm Treo 650 (CDMA)	Sonim XP3	BlackBerry Curve 8330
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy J2 / J2 Pure / J2 Dash	Samsung SPH-A660 / VI660	Palm Treo 650 (CDMA)	Sonim XP3	BlackBerry Curve 8330