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Phone	Samsung SCH-A990	ZTE Grand X	Coolpad Defiant	Samsung SGH-X640	Samsung Galaxy S 4 mini (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5" diag. 16 : 9	5" diag. 16 : 9	?	4.3" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) AMOLED
Display Refresh	?	60 Hz	60 Hz	?	60 Hz
Battery	1,000 mAh	2,300 mAh	2,450 mAh	800 mAh	1,900 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 200 MSM8210	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	1.7 GHz Qualcomm Snapdragon MSM8930 Pro (MSM8930AB)
RAM	?	1 GB	1 GB	?	1.5 GB
Storage	? raw hardware	4 GB	8 GB	? raw hardware	16 GB
Main Camera	3 megapixel	5 megapixel	5 megapixel	Yes	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	720p HD	-	1080p HD
Front Camera	-	1 megapixel	2 megapixel	-	2 megapixel
Weight	4.4 oz (125g)	6.06 oz (172g)	6.5 oz (184g)	3 oz (85g)	3.77 oz (107g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	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)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	HSPA+ 21	LTE (Cat 4)	GPRS	LTE (Cat 3)
Features
Flashlight	Yes	-	Yes	-	-
GPS / Location	Yes	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 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	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	-	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	Yes	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	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
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	-	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	Yes	n/a	n/a	-	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	-	Yes
TV Output	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	-	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	Yes	n/a	n/a	-	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
HD Voice	-	Yes	-	-	Yes
Headset Jack (2.5 mm)	-	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SCH-A990	ZTE Grand X	Coolpad Defiant	Samsung SGH-X640	Samsung Galaxy S 4 mini (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	ZTE Grand X	Coolpad Defiant	Samsung SGH-X640	Samsung Galaxy S 4 mini (GSM)