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Phone	Samsung SGH-X640	Samsung Galaxy S 4 mini (GSM)	BlackBerry Curve 3G 9330	Motorola V710	ZTE Overture 2 / Maven
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 16 : 9	2.5" diag. 4 : 3	?	4.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) AMOLED	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	1,900 mAh	1,150 mAh	?	2,100 mAh
Processor	?	1.7 GHz Qualcomm Snapdragon MSM8930 Pro (MSM8930AB)	?	?	1.2 GHz Qualcomm Snapdragon 410 (MSM8916)
RAM	?	1.5 GB	?	?	1 GB
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	8 GB
Main Camera	Yes	8 megapixel	2 megapixel	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	?	?	720p HD
Front Camera	-	2 megapixel	-	-	Yes
Weight	3 oz (85g)	3.77 oz (107g)	3.7 oz (105g)	4.06 oz (115g)	4.71 oz (134g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.9" x 2.41" x 0.35" (124 x 61 x 8.9 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)	5.31" x 2.59" x 0.39" (135 x 66 x 9.9 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	BlackBerry OS	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 3)	EVDO r0	1xRTT	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes * M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes *	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	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	Yes	Yes
Messaging
Email Client	-	n/a	n/a	Yes *	n/a
EMS / Picture Messaging	Yes	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Miracast	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	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	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Samsung Galaxy S 4 mini (GSM)	BlackBerry Curve 3G 9330	Motorola V710	ZTE Overture 2 / Maven
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung Galaxy S 4 mini (GSM)	BlackBerry Curve 3G 9330	Motorola V710	ZTE Overture 2 / Maven