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Phone	Samsung SGH-X640	BLU Vivo XI	Kyocera Coast / Kona	ZTE Flash	Samsung Transform Ultra
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	?	5.9" diag. 19 : 9	2.4" diag. 4 : 3	4.5" diag. 16 : 9	3.5" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	720 x 1520 pixels (~285 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	60 Hz
Battery	800 mAh	3,000 mAh	870 mAh	1,780 mAh	1,500 mAh
Processor	?	2 GHz MediaTek Helio P22	480 MHz Qualcomm QSC6155	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	1 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	3 GB	128 MB	1 GB	?
Storage	? raw hardware	32 GB	256 MB	8 GB	? raw hardware
Main Camera	Yes	16 megapixel	2 megapixel	12 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	-	1080p HD	VGA (640 x 480)
Front Camera	-	16 megapixel	-	1 megapixel	Yes
Weight	3 oz (85g)	6.6 oz (187g)	3.7 oz (105g)	5.2 oz (147g)	4.9 oz (139g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.89" x 2.87" x 0.31" (150 x 73 x 7.9 mm)	3.94" x 2.05" x 0.68" (100 x 52 x 17.3 mm)	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slide
Platform / OS	(proprietary)	Android	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1700, 1900 *	4G LTE: 25 CDMA: 800, 850, 1900	CDMA: 800, 850, 1900
Data Technology	GPRS	LTE (Cat 6)	1xRTT	LTE (Cat 3)	EVDO rA
Features
Fingerprint Reader	-	Yes stand-alone	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	Yes	n/a	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes
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	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	-	n/a	n/a
Dual-SIM	-	Yes	-	-	-
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	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
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	Yes
Music Player	-	n/a	-	n/a	n/a
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	BLU Vivo XI	Kyocera Coast / Kona	ZTE Flash	Samsung Transform Ultra
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	BLU Vivo XI	Kyocera Coast / Kona	ZTE Flash	Samsung Transform Ultra