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Phone	Palm Treo 680	Nokia N86 8MP	ZTE Avid 4	Nokia 2651	HTC Windows Phone 8S
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.6" diag. 4 : 3	5" diag. 16 : 9	?	4" diag. 5 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~154 ppi) AMOLED	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	1,200 mAh	2,520 mAh	760 mAh	1,700 mAh
Processor	?	434 MHz ARM 11	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	1 GHz Qualcomm Snapdragon S4
RAM	?	?	2 GB	?	512 MB
Storage	? raw hardware	8 GB	16 GB	? raw hardware	4 GB
Main Camera	Yes	8 megapixel	8 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	VGA (640 x 480)	720p HD	-	720p HD
Front Camera	-	-	5 megapixel	-	-
Weight	5.5 oz (156g)	5.26 oz (149g)	5.6 oz (159g)	3.4 oz (96g)	3.99 oz (113g)
Dimensions	4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm)	4.07" x 2.02" x 0.65" (103 x 51 x 16.5 mm)	5.7" x 2.8" x 0.36" (145 x 71 x 9.1 mm)	3.35" x 1.81" x 0.9" (85 x 46 x 22.9 mm)	4.74" x 2.48" x 0.4" (121 x 63 x 10.3 mm)
Form Factor	Slab	Slide	Slab	Clamshell	Slab
Platform / OS	Palm OS	S60 (Symbian)	Android	(proprietary)	Windows
Network Bands	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EDGE	HSDPA 3.6	LTE (Cat 4)	GPRS	HSPA+ 21
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	n/a	n/a	n/a	-	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	Yes	-	-	-	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)
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	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	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
External Antenna Jack	n/a	n/a	n/a	-	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	Yes	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	-	n/a
Music
FM Radio	-	Yes	Yes	-	-
FM Transmitter	n/a	n/a	n/a	-	n/a
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	-	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
TV Output	-	Yes	-	-	-
Video Calling	n/a	n/a	n/a	-	n/a
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
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	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Palm Treo 680	Nokia N86 8MP	ZTE Avid 4	Nokia 2651	HTC Windows Phone 8S
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 680	Nokia N86 8MP	ZTE Avid 4	Nokia 2651	HTC Windows Phone 8S