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Phone	Audiovox CDM-9900	Sony Ericsson Z550a	Motorola Droid	Asus ZenFone AR	HTC Dash / S620 / S621 (Excalibur)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	1.9" diag. 4 : 3	3.7" diag. 16 : 9	5.7" diag. 16 : 9	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~148 ppi) LCD (TFT/TFD)	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~515 ppi) AMOLED	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	?	1,400 mAh	3,300 mAh	960 mAh
Processor	?	?	550 MHz TI OMAP 3430 (ARM Cortex A8)	2.4 GHz Qualcomm Snapdragon 821 (MSM8996)	200 MHz OMAP 850
RAM	?	?	?	6 GB *	?
Storage	? raw hardware	? raw hardware	? raw hardware	128 GB *	? raw hardware
Main Camera	Yes	1 megapixel	5 megapixel	23 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	WVGA / 480p	4K UHD	?
Front Camera	-	-	-	8 megapixel	-
Weight	4.09 oz (116g)	3.26 oz (92g)	5.99 oz (170g)	6 oz (170g)	4.23 oz (120g)
Dimensions	3.66" x 1.89" x 0.95" (93 x 48 x 24.1 mm)	3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)	6.24" x 3.05" x 0.3" (158 x 77 x 7.6 mm)	4.39" x 2.46" x 0.51" (112 x 62 x 13 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Windows Mobile Standard
Network Bands	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 13, 20 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	GPRS	EVDO rA	LTE (Cat 11)	EDGE
Features
Barometer	-	-	-	Yes	-
Fingerprint Reader	-	-	-	Yes stand-alone	-
Flashlight	-	-	-	Yes	-
GPS / Location	Yes	-	n/a	n/a	n/a
VR-ready	-	-	-	Yes	-
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
NFC	-	-	-	Yes	-
USB	Yes	Yes	Yes Micro-USB	Yes USB Type C	Yes
Wi-Fi	-	-	Yes 802.11 b,g	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
Dual-SIM	-	-	-	Yes	-
External Antenna Jack	-	-	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	Yes	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	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	-
Miracast	-	-	-	Yes	-
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	Yes	-	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Audiovox CDM-9900	Sony Ericsson Z550a	Motorola Droid	Asus ZenFone AR	HTC Dash / S620 / S621 (Excalibur)
	X >	< X >	< X >	< X >	< X

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


Phone	Audiovox CDM-9900	Sony Ericsson Z550a	Motorola Droid	Asus ZenFone AR	HTC Dash / S620 / S621 (Excalibur)