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Phone	Samsung SGH-X640	BlackBerry Curve 3G 9330	BlackBerry Curve 8350i	Samsung Galaxy Attain 4G	Sony Ericsson Z600
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.5" diag. 4 : 3	2.4" diag. 4 : 3	3.5" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	1,150 mAh	1,400 mAh	1,650 mAh	?
Processor	?	?	?	?	?
RAM	?	?	?	512 MB	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	2 megapixel	2 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	WVGA / 480p	-
Front Camera	-	-	-	1 megapixel	-
Weight	3 oz (85g)	3.7 oz (105g)	4.76 oz (135g)	4.2 oz (119g)	3.88 oz (110g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	4.37" x 2.44" x 0.71" (111 x 62 x 18 mm)	4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm)	3.54" x 1.89" x 1.1" (90 x 48 x 27.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	BlackBerry OS	BlackBerry OS	Android	(proprietary)
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	iDEN: 800	4G LTE: 2, 4 CDMA: 850, 1700, 1900	GSM: 900, 1800, 1900
Data Technology	GPRS	EVDO r0	-	LTE (Cat 3)	GPRS
Features
GPS / Location	-	n/a	n/a	n/a	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes	Yes	Yes	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	-	-	-	-	Yes
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 802.11 b,g	Yes	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	-
Touch Screen	-	-	-	Yes	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	Yes	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	-
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	-
	Samsung SGH-X640	BlackBerry Curve 3G 9330	BlackBerry Curve 8350i	Samsung Galaxy Attain 4G	Sony Ericsson Z600
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	BlackBerry Curve 3G 9330	BlackBerry Curve 8350i	Samsung Galaxy Attain 4G	Sony Ericsson Z600