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Phone	Motorola Backflip	Samsung SGH-A717	BlackBerry 8830	HTC 8XT	Samsung Knack U310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.1" diag. 5 : 3	?	?	4.3" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,400 mAh	?	1,400 mAh	1,800 mAh	1,000 mAh
Processor	528 MHz Qualcomm MSM7201a	?	?	1.4 GHz Qualcomm Snapdragon 400 8930	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	5 megapixel	2 megapixel	-	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	QCIF (176 x 144)	-	1080p HD	-
Front Camera	-	-	-	2 megapixel	-
Weight	4.7 oz (133g)	3.31 oz (94g)	4.6 oz (130g)	4.9 oz (139g)	3.63 oz (103g)
Dimensions	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4.07" x 2.15" x 0.55" (103 x 55 x 14 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	5.2" x 2.6" x 0.39" (132 x 66 x 9.9 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	Android	(proprietary)	BlackBerry OS	Windows	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 GSM: 900, 1800 *	4G LTE: 25 CDMA: 800, 850, 1900	CDMA: 850, 1900
Data Technology	HSPA 7.2	HSDPA 1.8	EVDO r0	LTE (Cat 3)	-
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	-	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	Yes
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	-	n/a	n/a	-
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	-
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	-
Ringer ID	n/a	Yes	n/a	n/a	-
Voice Dialing	n/a	-	n/a	n/a	Yes
Customization
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	n/a	Yes	n/a	n/a	-
WAP / Web Browser	n/a	Yes	n/a	n/a	-
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	Yes	n/a	n/a	-
EMS / Picture Messaging	n/a	-	n/a	n/a	Yes
Instant Messaging	n/a	Yes	n/a	n/a	-
MMS	n/a	Yes	n/a	n/a	-
Text Messaging Templates	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	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	Yes	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	-
Software
Games	n/a	Yes	n/a	n/a	-
Java (J2ME)	n/a	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	Yes
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Backflip	Samsung SGH-A717	BlackBerry 8830	HTC 8XT	Samsung Knack U310
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Backflip	Samsung SGH-A717	BlackBerry 8830	HTC 8XT	Samsung Knack U310