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Phone	Samsung SPH-i550	Samsung Galaxy Ring / Prevail 2	Samsung Galaxy Note II (Verizon)	Samsung SCH-A990	Alcatel Pop Astro
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	5.5" diag. 16 : 9	?	4.5" diag. 16 : 9
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	60 Hz
Battery	?	1,750 mAh	3,100 mAh	1,000 mAh	2,000 mAh
Processor	200 MHz Motorola MX-1	1.4 GHz Qualcomm Snapdragon S2 MSM8655	1.6 GHz Samsung Exynos	?	1.5 GHz MediaTek MTK6732
RAM	?	1 GB	2 GB	?	1 GB
Storage	? raw hardware	4 GB	16 GB	? raw hardware	4 GB
Main Camera	1 megapixel	5 megapixel	8 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	1080p HD	?	1080p HD
Front Camera	-	1 megapixel	2 megapixel	-	Yes
Weight	?	3.4 oz (96g)	6.35 oz (180g)	4.4 oz (125g)	5.11 oz (145g)
Dimensions	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	5.94" x 3.16" x 0.38" (151 x 80 x 9.7 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	5.23" x 2.57" x 0.39" (133 x 65 x 9.9 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	Palm OS	Android	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 800, 850, 1900	4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	EVDO rA	LTE (Cat 3)	EVDO r0	LTE (Cat 4)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes	Yes	Yes	Yes
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	-	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Touch Screen	Yes	Yes	Yes	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	Yes	Yes	-	-
TV Output	-	-	Yes	Yes	-
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
BREW	n/a	n/a	n/a	Yes	n/a
Games	n/a	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SPH-i550	Samsung Galaxy Ring / Prevail 2	Samsung Galaxy Note II (Verizon)	Samsung SCH-A990	Alcatel Pop Astro
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-i550	Samsung Galaxy Ring / Prevail 2	Samsung Galaxy Note II (Verizon)	Samsung SCH-A990	Alcatel Pop Astro