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Phone	Motorola Droid X2	Samsung SCH-A990	Palm Treo 650 (CDMA)	ZTE Z998 / Unico LTE	Samsung BlackJack SGH-i607
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 16 : 9	?	?	4.5" diag. 16 : 9	?
Display Resolution & Type	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,540 mAh	1,000 mAh	?	2,070 mAh	1,200 mAh
Processor	1 GHz dual-core Nvidia Tegra 2 AP20H	?	312 MHz Intel XScale PXA270	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?
RAM	?	?	?	1 GB	?
Storage	8 GB	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	8 megapixel	3 megapixel	Yes	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	QVGA (320 x 240)	720p HD	QVGA (320 x 240)
Front Camera	-	-	-	1 megapixel	-
Weight	5.47 oz (155g)	4.4 oz (125g)	6.3 oz (179g)	4.8 oz (136g)	3.74 oz (106g)
Dimensions	5" x 2.58" x 0.39" (127 x 66 x 9.9 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.45" x 2.32" x 0.46" (113 x 59 x 11.7 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Palm OS	Android	Windows Mobile Standard
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	EVDO r0	1xRTT	LTE (Cat 3)	HSDPA 1.8
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	Yes M3, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes	Yes	-	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	Yes Capacitive	-	Yes	Yes Capacitive	-
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	Yes	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	Yes	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	-
Music Player	n/a	Yes	n/a	n/a	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	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	-	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
BREW	n/a	Yes	n/a	n/a	n/a
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	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
	Motorola Droid X2	Samsung SCH-A990	Palm Treo 650 (CDMA)	ZTE Z998 / Unico LTE	Samsung BlackJack SGH-i607
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Droid X2	Samsung SCH-A990	Palm Treo 650 (CDMA)	ZTE Z998 / Unico LTE	Samsung BlackJack SGH-i607