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Phone	HTC Hero (CDMA)	Samsung MM-A900 / SPH-A900 / Ace	Motorola V551 / V330 / V547 / V555 / V557	Motorola Defy (2010)	HTC Imagio
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	?	?	3.6" diag. 16 : 9	3.6" diag. 5 : 3
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,500 mAh	?	820 mAh	1,540 mAh	1,500 mAh
Processor	528 MHz MSM7600	?	?	800 MHz TI OMAP3610	528 MHz MSM7600
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	Yes	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	?	?	VGA (640 x 480)
Front Camera	-	-	-	-	-
Weight	4.5 oz (128g)	3.9 oz (111g)	4.23 oz (120g)	4.16 oz (118g)	5.25 oz (149g)
Dimensions	4.46" x 2.22" x 0.54" (113 x 56 x 13.7 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)	4.65" x 2.43" x 0.55" (118 x 62 x 14 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Android	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	EVDO r0	EDGE	HSPA 7.2	EVDO rA
Features
GPS / Location	n/a	Yes	-	n/a	n/a
Ruggedized	-	-	-	Yes	-
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	Yes Mini-USB	Yes	Yes	Yes Micro-USB	Yes Mini-USB
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	Yes	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	n/a
EMS / Picture Messaging	n/a	-	Yes	n/a	n/a
Instant Messaging	n/a	-	Yes	n/a	n/a
MMS	n/a	-	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	Yes
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	Yes	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
TV Output	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	-	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	HTC Hero (CDMA)	Samsung MM-A900 / SPH-A900 / Ace	Motorola V551 / V330 / V547 / V555 / V557	Motorola Defy (2010)	HTC Imagio
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Hero (CDMA)	Samsung MM-A900 / SPH-A900 / Ace	Motorola V551 / V330 / V547 / V555 / V557	Motorola Defy (2010)	HTC Imagio