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Phone	Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2	Samsung SPH-N240	Apple iPhone 4 (GSM)	Samsung SGH-X640	BlackBerry Curve 8300
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5" diag. 16 : 9	?	3.5" diag. 5 : 3	?	?
Display Resolution & Type	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	128 x 64 pixels	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	2,600 mAh	?	?	800 mAh	?
Processor	1.4 GHz Samsung Exynos 7 Quad (7570)	?	Apple A4	?	?
RAM	1.5 GB	?	?	?	?
Storage	16 GB	? raw hardware	32 GB *	? raw hardware	? raw hardware
Main Camera	5 megapixel	-	5 megapixel	Yes	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	720p HD	-	-
Front Camera	2 megapixel	-	Yes	-	-
Weight	5.2 oz (147g)	3.2 oz (91g)	4.8 oz (136g)	3 oz (85g)	3.92 oz (111g)
Dimensions	5.54" x 2.76" x 0.34" (141 x 70 x 8.6 mm)	4.1" x 1.5" x 0.7" (104 x 38 x 17.8 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.2" x 2.36" x 0.61" (107 x 60 x 15.5 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	iOS	(proprietary)	BlackBerry OS
Network Bands	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 4)	-	HSPA 7.2	GPRS	EDGE
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes Micro-USB	-	Yes	-	Yes
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	-	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	-	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	-	n/a	Yes	n/a
Custom Ringtones	n/a	-	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	-	n/a	-	n/a
WAP / Web Browser	n/a	-	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
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
EMS / Picture Messaging	n/a	-	n/a	Yes	n/a
Instant Messaging	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	-	n/a
Photo & Video
TV Output	-	-	Yes	-	-
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	Yes	n/a
Voice Memo	n/a	-	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2	Samsung SPH-N240	Apple iPhone 4 (GSM)	Samsung SGH-X640	BlackBerry Curve 8300
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2	Samsung SPH-N240	Apple iPhone 4 (GSM)	Samsung SGH-X640	BlackBerry Curve 8300