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Phone	Samsung SGH-X640	Sony Ericsson T68i	BlackBerry Curve 3G 9330	Sony Ericsson K750 / W800 / D750 / W700	Samsung Galaxy J2 / J2 Pure / J2 Dash
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.5" diag. 4 : 3	?	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	700 mAh	1,150 mAh	900 mAh	2,600 mAh
Processor	?	?	?	?	1.4 GHz Samsung Exynos 7570
RAM	?	?	?	?	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	Yes	-	2 megapixel	2 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	?	1080p HD
Front Camera	-	-	-	-	5 megapixel
Weight	3 oz (85g)	2.96 oz (84g)	3.7 oz (105g)	3.49 oz (99g)	5.43 oz (154g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm)	5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	GPRS	EVDO r0	GPRS	LTE (Cat 4)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	-	-	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	Yes	-
USB	-	-	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	-	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	Yes	n/a	Yes	n/a
EMS / Picture Messaging	Yes	Yes	n/a	Yes	n/a
Instant Messaging	-	-	n/a	-	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	-	n/a	Yes	n/a
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	Yes	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	-	n/a	-	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung SGH-X640	Sony Ericsson T68i	BlackBerry Curve 3G 9330	Sony Ericsson K750 / W800 / D750 / W700	Samsung Galaxy J2 / J2 Pure / J2 Dash
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Sony Ericsson T68i	BlackBerry Curve 3G 9330	Sony Ericsson K750 / W800 / D750 / W700	Samsung Galaxy J2 / J2 Pure / J2 Dash