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Phone	BlackBerry Pearl 3G 9100 / 9105	HP iPAQ Glisten	Pantech Duo C810	Kyocera DuraPlus	ZTE Z221
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.3" diag. 1 : 1	2.5" diag. 4 : 3	2.2" diag. 4 : 3	2" diag. 4 : 3	2" diag. 4 : 3
Display Resolution & Type	360 x 400 pixels (~238 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) AMOLED	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,150 mAh	1,590 mAh	1,320 mAh	1,650 mAh	900 mAh
Processor	?	528 MHz Qualcomm MSM7200a (ARM11)	ARM 920t PXA27x	?	?
RAM	?	?	?	128 MB	?
Storage	? raw hardware	? raw hardware	? raw hardware	256 MB	142 MB
Main Camera	3 megapixel	3 megapixel	1 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QVGA (320 x 240)	QVGA (320 x 240)	-	QCIF (176 x 144)
Front Camera	-	-	-	-	-
Weight	3.3 oz (94g)	5.29 oz (150g)	3.88 oz (110g)	6.67 oz (189g)	3.24 oz (92g)
Dimensions	4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm)	4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	5.28" x 2.17" x 0.93" (134 x 55 x 23.6 mm)	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)
Form Factor	Slab	Slab	Slide	Slab	Clamshell
Platform / OS	BlackBerry OS	Windows Mobile Professional	Windows Mobile Standard	(proprietary)	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	HSDPA 3.6	HSDPA 1.8	EVDO rA	HSDPA 3.6
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	n/a	Yes	Yes
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes	-
Accessibility
Adjustable Text Size	n/a	n/a	n/a	Yes	-
Hearing Aid Compatible	Yes	Yes	-	Yes	Yes
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-	-	-
Contacts
Picture ID	n/a	n/a	n/a	-	-
Ringer ID	n/a	n/a	n/a	Yes	-
Voice Dialing	n/a	n/a	n/a	Yes	-
Customization
Custom Graphics	n/a	n/a	n/a	Yes	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	-	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	-	-
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	Yes *	Yes	Yes	-	-
Touch Screen	-	Yes	-	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	n/a	-	Yes
Instant Messaging	n/a	n/a	n/a	-	Yes
MMS	n/a	n/a	n/a	Yes	Yes
Text Messaging Templates	n/a	n/a	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	-	-	-
Music Player	n/a	n/a	n/a	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	Yes
Calendar	n/a	n/a	n/a	Yes	Yes
To-Do List	n/a	n/a	n/a	-	-
Voice Memo	n/a	n/a	n/a	Yes	Yes
Software
BREW	n/a	n/a	n/a	Yes	-
Games	n/a	n/a	n/a	Yes	Yes
Java (J2ME)	n/a	n/a	n/a	Yes	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	-
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry Pearl 3G 9100 / 9105	HP iPAQ Glisten	Pantech Duo C810	Kyocera DuraPlus	ZTE Z221
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry Pearl 3G 9100 / 9105	HP iPAQ Glisten	Pantech Duo C810	Kyocera DuraPlus	ZTE Z221