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Specifications
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Phone	Apple iPhone 4 (GSM)	Siemens CT66 / C66 / C65 / C71 / C70	Samsung Memoir SGH-T929	HTC Dash / S620 / S621 (Excalibur)	Alcatel Tru / Pop 3
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	3.1" diag. 5 : 3	?	5" diag. 16 : 9
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (Color)	240 x 400 pixels (~150 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	?	600 mAh	?	960 mAh	2,000 mAh
Processor	Apple A4	?	?	200 MHz OMAP 850	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	?	?	1 GB
Storage	32 GB *	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	5 megapixel	Yes	8 megapixel	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	?	720p HD
Front Camera	Yes	-	-	-	2 megapixel
Weight	4.8 oz (136g)	3 oz (85g)	4.4 oz (125g)	4.23 oz (120g)	5.89 oz (167g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm)	4.17" x 2.11" x 0.55" (106 x 54 x 14 mm)	4.39" x 2.46" x 0.51" (112 x 62 x 13 mm)	5.55" x 2.81" x 0.39" (141 x 71 x 9.9 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	iOS	(proprietary)	(proprietary)	Windows Mobile Standard	Android
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900 *	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	GPRS	HSDPA 3.6	EDGE	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	-	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	-	-	n/a	n/a
USB	Yes	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	-	n/a	n/a
Voice Dialing	n/a	-	Yes	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
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	-	-	n/a	n/a
External Antenna Jack	n/a	-	-	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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes	-	Yes Capacitive
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	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	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
TV Output	Yes	-	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	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	-	n/a	n/a
Voice
Call Screening	-	Yes	-	-	-
HD Voice	-	-	-	-	Yes
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Siemens CT66 / C66 / C65 / C71 / C70	Samsung Memoir SGH-T929	HTC Dash / S620 / S621 (Excalibur)	Alcatel Tru / Pop 3
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Siemens CT66 / C66 / C65 / C71 / C70	Samsung Memoir SGH-T929	HTC Dash / S620 / S621 (Excalibur)	Alcatel Tru / Pop 3