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Specifications
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Phone	Palm Treo 650 (CDMA)	Samsung Transform	ZTE Blade Vantage	HTC Droid Eris	Samsung Knack U310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.5" diag. 5 : 3	5" diag. 16 : 9	3.2" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	60 Hz	?
Battery	?	1,500 mAh	2,500 mAh	1,300 mAh	1,000 mAh
Processor	312 MHz Intel XScale PXA270	800 MHz Samsung S3C6410, Qualcomm QSC6085	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	528 MHz MSM7600	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	Yes	3 megapixel	8 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	QVGA (320 x 240)	720p HD	CIF (352 x 288)	-
Front Camera	-	Yes	2 megapixel	-	-
Weight	6.3 oz (179g)	5.37 oz (152g)	5.29 oz (150g)	4.43 oz (126g)	3.63 oz (103g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)
Form Factor	Slab	Slide	Slab	Slab	Clamshell
Platform / OS	Palm OS	Android	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	EVDO rA	LTE (Cat 4)	EVDO rA	-
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	Yes
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	Yes	-	-	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	-
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-
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	Yes
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	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes	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	-
EMS / Picture Messaging	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	-
MMS	n/a	n/a	n/a	n/a	-
Text Messaging Templates	n/a	n/a	n/a	n/a	-
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	n/a	n/a	n/a	n/a	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	-
Voice Memo	n/a	n/a	n/a	n/a	-
Software
Games	n/a	n/a	n/a	n/a	-
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Palm Treo 650 (CDMA)	Samsung Transform	ZTE Blade Vantage	HTC Droid Eris	Samsung Knack U310
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Samsung Transform	ZTE Blade Vantage	HTC Droid Eris	Samsung Knack U310