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Phone	Kyocera 2135	Palm Treo 650 (CDMA)	Ericsson T28 World	Motorola Defy (2010)	ZTE Concord II
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	3.6" diag. 16 : 9	4" diag. 5 : 3
Display Resolution & Type	?	320 x 320 pixels LCD (TFT/TFD)	?	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	925 mAh	?	500 mAh	1,540 mAh	1,820 mAh
Processor	?	312 MHz Intel XScale PXA270	?	800 MHz TI OMAP3610	1.2 GHz Qualcomm MSM8210
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	-	Yes	-	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	-	?	720p HD
Front Camera	-	-	-	-	-
Weight	4.7 oz (133g)	6.3 oz (179g)	3.14 oz (89g)	4.16 oz (118g)	4.4 oz (125g)
Dimensions	5.07" x 1.89" x 1.02" (129 x 48 x 25.9 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.9" x 2" x 0.6" (99 x 51 x 15.2 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)	4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm)
Form Factor	Slab	Slab	Flip	Slab	Slab
Platform / OS	(proprietary)	Palm OS	(proprietary)	Android	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	GSM: 900, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	-	1xRTT	-	HSPA 7.2	HSPA+ 21
Features
GPS / Location	-	n/a	-	n/a	n/a
Ruggedized	-	-	-	Yes	-
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	-	-	-	Yes
Multiple Languages	Yes	n/a	-	n/a	n/a
TTY/TDD (Digital)	-	-	-	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	-	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	n/a	-	n/a	n/a
Ringer ID	-	n/a	-	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Changeable Body Plates	Yes	-	-	-	-
Custom Graphics	-	n/a	-	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	Yes	n/a	n/a
WAP / Web Browser	Yes	n/a	-	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	-	n/a	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes	-	Yes	Yes
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	-	n/a	-	n/a	n/a
Text Messaging Templates	Yes	n/a	-	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	n/a	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	-	n/a	-	n/a	n/a
To-Do List	-	n/a	-	n/a	n/a
Voice Memo	-	n/a	-	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	n/a
Speaker Phone	-	Yes	-	Yes	Yes
	Kyocera 2135	Palm Treo 650 (CDMA)	Ericsson T28 World	Motorola Defy (2010)	ZTE Concord II
	X >	< X >	< X >	< X >	< X

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


Phone	Kyocera 2135	Palm Treo 650 (CDMA)	Ericsson T28 World	Motorola Defy (2010)	ZTE Concord II