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Phone	Samsung SCH-A310	Samsung Sidekick 4G	Sony Ericsson W300 / Z530	BlackBerry Curve 3G 9330	BlackBerry 8703e
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.5" diag. 5 : 3	?	2.5" diag. 4 : 3	?
Display Resolution & Type	128 x 128 pixels LCD (Grayscale)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	?	?	1,150 mAh	1,100 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	3 megapixel	Yes	2 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	WVGA / 480p	?	?	-
Front Camera	-	Yes	-	-	-
Weight	3.2 oz (91g)	5.7 oz (162g)	3.32 oz (94g)	3.7 oz (105g)	4.7 oz (133g)
Dimensions	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)	3.54" x 1.85" x 0.96" (90 x 47 x 24.4 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)
Form Factor	Clamshell	Slide	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	BlackBerry OS	BlackBerry OS
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	HSPA+ 21	EDGE	EVDO r0	EVDO r0
Features
GPS / Location	Yes	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)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	-	-
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	-
Contacts
Picture ID	-	n/a	Yes	n/a	n/a
Ringer ID	-	n/a	-	n/a	n/a
Voice Dialing	Yes	n/a	-	n/a	n/a
Customization
Changeable Body Plates	Yes	-	-	-	-
Custom Graphics	-	n/a	Yes	n/a	n/a
Custom Ringtones	-	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	Yes	n/a	n/a
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	-	Yes	Yes
Touch Screen	-	Yes	-	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	Yes	n/a	n/a
MMS	-	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	-	n/a	Yes	n/a	n/a
Calculator	-	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	Yes	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)	-	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SCH-A310	Samsung Sidekick 4G	Sony Ericsson W300 / Z530	BlackBerry Curve 3G 9330	BlackBerry 8703e
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A310	Samsung Sidekick 4G	Sony Ericsson W300 / Z530	BlackBerry Curve 3G 9330	BlackBerry 8703e