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Phone	Samsung SGH-X640	BLU Vivo XL	Sony Xperia TL	Sony Ericsson T237 / T290a	ZTE Flash
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.5" diag. 16 : 9	4.6" diag. 16 : 9	?	4.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) AMOLED	720 x 1280 pixels (~319 ppi) LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	60 Hz
Battery	800 mAh	3,150 mAh	1,850 mAh	?	1,780 mAh
Processor	?	1.3 GHz MediaTek 6753	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8260A	?	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM	?	2 GB	1 GB	?	1 GB
Storage	? raw hardware	16 GB	16 GB	? raw hardware	8 GB
Main Camera	Yes	13 megapixel	13 megapixel	-	12 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	1080p HD	-	1080p HD
Front Camera	-	5 megapixel	1 megapixel	-	1 megapixel
Weight	3 oz (85g)	5.36 oz (152g)	5.2 oz (147g)	2.79 oz (79g)	5.2 oz (147g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.11" x 3.02" x 0.3" (155 x 77 x 7.5 mm)	5.1" x 2.6" x 0.4" (130 x 66 x 10.2 mm)	4" x 1.71" x 0.71" (102 x 43 x 18 mm)	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Android	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1900	4G LTE: 25 CDMA: 800, 850, 1900
Data Technology	GPRS	LTE (Cat 4)	LTE (Cat 3)	GPRS	LTE (Cat 3)
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	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 M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	Yes	-	Yes
USB	-	Yes USB Type C	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-	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	-	n/a
Data & Network
Data Tethering	-	n/a	n/a	-	n/a
Dual-SIM	-	Yes	-	-	-
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
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
FM Radio	-	Yes	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Power
Fast Charging	-	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
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	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	BLU Vivo XL	Sony Xperia TL	Sony Ericsson T237 / T290a	ZTE Flash
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	BLU Vivo XL	Sony Xperia TL	Sony Ericsson T237 / T290a	ZTE Flash