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Phone	Samsung MM-A900 / SPH-A900 / Ace	HTC EVO Design 4G / Hero S (CDMA)	Motorola V177	Apple iPhone 4 (GSM)	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	?	4" diag. 16 : 9	?	3.5" diag. 5 : 3	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	1,520 mAh	?	?	1,490 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655	?	Apple A4	400 MHz Intel XScale
RAM	?	768 MB	?	?	?
Storage	? raw hardware	4 GB	? raw hardware	32 GB *	? raw hardware
Main Camera	1 megapixel	5 megapixel	-	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	720p HD	QCIF (176 x 144)
Front Camera	-	1 megapixel	-	Yes	-
Weight	3.9 oz (111g)	5.22 oz (148g)	3.67 oz (104g)	4.8 oz (136g)	7.41 oz (210g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	3.48" x 1.88" x 1" (88 x 48 x 25.4 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slide
Platform / OS	(proprietary)	Android	(proprietary)	iOS	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	GSM: 850, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	WiMAX	GPRS	HSPA 7.2	GPRS
Features
Flashlight	-	Yes	-	-	-
GPS / Location	Yes	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	Yes	-	Yes	-	-
Ringer Profiles	-	-	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
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes
Contacts
Picture ID	Yes	n/a	-	n/a	n/a
Ringer ID	Yes	n/a	-	n/a	n/a
Voice Dialing	Yes	n/a	-	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	-	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
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	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	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	Yes	n/a	-	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	-	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung MM-A900 / SPH-A900 / Ace	HTC EVO Design 4G / Hero S (CDMA)	Motorola V177	Apple iPhone 4 (GSM)	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung MM-A900 / SPH-A900 / Ace	HTC EVO Design 4G / Hero S (CDMA)	Motorola V177	Apple iPhone 4 (GSM)	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)