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Phone	Samsung Stratosphere / Galaxy Metrix 4G	Cal-Comp EZ	HTC Amaze 4G	BlackBerry 8820	Samsung Vibrant (Galaxy S)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	4.3" diag. 16 : 9	?	4" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) AMOLED	128 x 128 pixels LCD (STN)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	60 Hz	?	60 Hz	?	60 Hz
Battery	?	800 mAh	1,730 mAh	1,400 mAh	1,500 mAh
Processor	1 GHz Samsung Cortex A8 Hummingbird	?	1.5 GHz Qualcomm Snapdragon S3 dual-core	?	1 GHz Samsung Hummingbird Cortex A8
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	16 GB
Main Camera	5 megapixel	-	8 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	-	1080p HD	-	720p HD
Front Camera	1 megapixel	-	2 megapixel	-	-
Weight	5.8 oz (164g)	2.47 oz (70g)	6.1 oz (173g)	4.73 oz (134g)	4.16 oz (118g)
Dimensions	4.96" x 2.54" x 0.55" (126 x 65 x 14 mm)	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Android	BlackBerry OS	Android
Network Bands	4G LTE: 13 CDMA: 850, 1900 *	CDMA: 850, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	1xRTT	HSPA+ 42	EDGE	HSPA 7.2
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
NFC	-	-	Yes	-	-
USB	Yes	Yes Mini-USB	Yes	Yes Mini-USB	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 a,b,g,n)	Yes	Yes
Contacts
Picture ID	n/a	-	n/a	n/a	n/a
Ringer ID	n/a	-	n/a	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a	n/a
Customization
Custom Graphics	n/a	-	n/a	n/a	n/a
Custom Ringtones	n/a	-	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	-	n/a	n/a	n/a
WAP / Web Browser	n/a	-	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	-	n/a	n/a	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
DLNA	Yes	-	Yes	-	Yes
TV Output	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes *	n/a	n/a	n/a
Software
Games	n/a	-	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung Stratosphere / Galaxy Metrix 4G	Cal-Comp EZ	HTC Amaze 4G	BlackBerry 8820	Samsung Vibrant (Galaxy S)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Stratosphere / Galaxy Metrix 4G	Cal-Comp EZ	HTC Amaze 4G	BlackBerry 8820	Samsung Vibrant (Galaxy S)