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Phone	Palm Treo 680	Samsung SGH-X640	AT&T Vista	Samsung Glyde U940	HTC G2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5.5" diag. 18 : 9	2.8" diag. 16.5 : 9	3.7" diag. 5 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	800 mAh	2,450 mAh	1,000 mAh	1,300 mAh
Processor	?	?	2 GHz MediaTek Helio A22 (MT6761V)	?	800 MHz Qualcomm S2 MSM7230
RAM	?	?	3 GB	?	?
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	Yes	Yes	8 megapixel	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	-	1080p HD	QVGA (320 x 240)	720p HD
Front Camera	-	-	5 megapixel	-	-
Weight	5.5 oz (156g)	3 oz (85g)	5.51 oz (156g)	4.2 oz (119g)	6.5 oz (184g)
Dimensions	4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Slab
Platform / OS	Palm OS	(proprietary)	Android	(proprietary)	Android
Network Bands	GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	EDGE	GPRS	LTE (Cat 4)	EVDO r0	HSPA 14.4
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	-	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes	-	Yes USB Type C	Yes	Yes
Wi-Fi	-	-	Yes	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	-	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	-	n/a	Yes	n/a
External Antenna Jack	n/a	-	n/a	-	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	Yes	-	Yes Capacitive	Yes	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	Yes	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	n/a	-	n/a	Yes	n/a
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	-	n/a
Software
BREW	n/a	-	n/a	Yes	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	-	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Palm Treo 680	Samsung SGH-X640	AT&T Vista	Samsung Glyde U940	HTC G2
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 680	Samsung SGH-X640	AT&T Vista	Samsung Glyde U940	HTC G2