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Phone	Palm Treo Pro (GSM)	Samsung Galaxy Ring / Prevail 2	AT&T Vista	HTC G2	Motorola Quantico V840 / W845
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	5.5" diag. 18 : 9	3.7" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	480 x 800 pixels (~252 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	1,750 mAh	2,450 mAh	1,300 mAh	1,170 mAh
Processor	400 MHz MSM7201	1.4 GHz Qualcomm Snapdragon S2 MSM8655	2 GHz MediaTek Helio A22 (MT6761V)	800 MHz Qualcomm S2 MSM7230	?
RAM	?	1 GB	3 GB	?	?
Storage	? raw hardware	4 GB	32 GB	? raw hardware	? raw hardware
Main Camera	2 megapixel	5 megapixel	8 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	1080p HD	720p HD	QCIF (176 x 144)
Front Camera	-	1 megapixel	5 megapixel	-	-
Weight	4.69 oz (133g)	3.4 oz (96g)	5.51 oz (156g)	6.5 oz (184g)	4.2 oz (119g)
Dimensions	4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	3.84" x 2.08" x 1" (98 x 53 x 25.4 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	Windows Mobile Professional	Android	Android	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 *
Data Technology	HSDPA 3.6	EVDO rA	LTE (Cat 4)	HSPA 14.4	EVDO r0
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	n/a	n/a	n/a	Yes
Ruggedized	-	-	-	-	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	-	-	Yes
Alerts
Extra Display	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes	Yes USB Type C	Yes	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 a,b,g,n)	Yes	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes *
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	Yes	-	-	-	-
Text Keyboard, Hardware	Yes	-	-	Yes	-
Touch Screen	Yes Resistive	Yes Capacitive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	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	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	n/a	n/a	n/a	n/a	Yes
Photo & Video
DLNA	-	Yes	-	-	-
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	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo Pro (GSM)	Samsung Galaxy Ring / Prevail 2	AT&T Vista	HTC G2	Motorola Quantico V840 / W845
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo Pro (GSM)	Samsung Galaxy Ring / Prevail 2	AT&T Vista	HTC G2	Motorola Quantico V840 / W845