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Phone	BlackBerry 8830	Samsung Memoir SGH-T929	HTC myTouch 4G Slide	HTC Hero (CDMA)	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	3.7" diag. 5 : 3	3.2" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	320 x 240 pixels LCD (TFT/TFD)	240 x 400 pixels (~150 ppi) LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,400 mAh	?	1,520 mAh	1,500 mAh	1,000 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core)	528 MHz MSM7600	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	8 megapixel	8 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	1080p HD	QVGA (320 x 240)	-
Front Camera	-	-	Yes	-	-
Weight	4.6 oz (130g)	4.4 oz (125g)	6.5 oz (184g)	4.5 oz (128g)	3.63 oz (103g)
Dimensions	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	4.17" x 2.11" x 0.55" (106 x 54 x 14 mm)	4.8" x 2.4" x 0.52" (122 x 61 x 13.2 mm)	4.46" x 2.22" x 0.54" (113 x 56 x 13.7 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)
Form Factor	Slab	Slab	Slide	Slab	Clamshell
Platform / OS	BlackBerry OS	(proprietary)	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900 GSM: 900, 1800 *	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	EVDO r0	HSDPA 3.6	HSPA 14.4	EVDO rA	-
Features
GPS / Location	n/a	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	Yes
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly 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
Ringer Profiles	Yes	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	-	n/a	n/a	-
USB	Yes	Yes	Yes	Yes Mini-USB	-
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	n/a	Yes	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	-	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	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	-
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	Yes	Yes	-	-
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	-	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
	BlackBerry 8830	Samsung Memoir SGH-T929	HTC myTouch 4G Slide	HTC Hero (CDMA)	Samsung Knack U310
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 8830	Samsung Memoir SGH-T929	HTC myTouch 4G Slide	HTC Hero (CDMA)	Samsung Knack U310