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Phone	Apple iPhone 4 (GSM)	HTC Amaze 4G	ZTE Aspect	Sony Ericsson P910	HTC Touch Pro2 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	4.3" diag. 16 : 9	2.4" diag. 4 : 3	?	3.6" diag. 5 : 3
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	208 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	?	1,730 mAh	1,000 mAh	?	1,500 mAh
Processor	Apple A4	1.5 GHz Qualcomm Snapdragon S3 dual-core	230 MHz Qualcomm QSC6270	?	528 MHz MSM7600
RAM	?	1 GB	128 MB	?	?
Storage	32 GB *	16 GB	256 MB	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	2 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	QVGA (320 x 240)	QCIF (176 x 144)	?
Front Camera	Yes	2 megapixel	-	-	-
Weight	4.8 oz (136g)	6.1 oz (173g)	3.7 oz (105g)	5.47 oz (155g)	6.35 oz (180g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	4.53" x 2.28" x 1.02" (115 x 58 x 25.9 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)
Form Factor	Slab	Slab	Slab	Flip	Slab
Platform / OS	iOS	Android	(proprietary)	UIQ (Symbian)	Windows Mobile Professional
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900 *	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	HSPA+ 42	WCDMA (UMTS)	GPRS	EVDO rA
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-	-	Yes
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	-	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	-	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	Yes
Touch Screen	Yes Capacitive	Yes Capacitive	-	Yes	Yes Resistive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
EMS / Picture Messaging	n/a	n/a	-	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	n/a	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	Yes	Yes	-	-	Yes
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	-	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	HTC Amaze 4G	ZTE Aspect	Sony Ericsson P910	HTC Touch Pro2 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	HTC Amaze 4G	ZTE Aspect	Sony Ericsson P910	HTC Touch Pro2 (CDMA)