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Phone	Palm Treo 650 (GSM)	Coolpad Quattro 4G	Sony Ericsson K750 / W800 / D750 / W700	ZTE ZMAX Pro	Samsung Galaxy Attain 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	6" diag. 16 : 9	3.5" diag. 5 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	60 Hz
Battery	?	1,600 mAh	900 mAh	3,400 mAh	1,650 mAh
Processor	312 MHz Intel XScale PXA270	?	?	1.5 GHz Qualcomm Snapdragon 617 (MSM8952)	?
RAM	?	?	?	2 GB	512 MB
Storage	? raw hardware	512 MB	? raw hardware	32 GB	? raw hardware
Main Camera	Yes	3 megapixel	2 megapixel	13 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	VGA (640 x 480)	?	1080p HD	WVGA / 480p
Front Camera	-	Yes	-	5 megapixel	1 megapixel
Weight	6.3 oz (179g)	3.31 oz (94g)	3.49 oz (99g)	6.17 oz (175g)	4.2 oz (119g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm)	6.5" x 3.3" x 0.35" (165 x 84 x 8.9 mm)	4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	Palm OS	Android	(proprietary)	Android	Android
Network Bands	GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	EDGE	LTE (Cat 3)	GPRS	LTE (Cat 4)	LTE (Cat 3)
Features
Fingerprint Reader	-	-	-	Yes	-
Flashlight	-	-	Yes	Yes	-
GPS / Location	n/a	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	Yes	-	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes	Yes	Yes USB Type C	Yes Micro-USB
Wi-Fi	-	Yes	-	Yes 4 (802.11 b,g,n)	Yes
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	-	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
EMS / Picture Messaging	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	Yes	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	n/a	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	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	Yes
	* Some versions only
	Palm Treo 650 (GSM)	Coolpad Quattro 4G	Sony Ericsson K750 / W800 / D750 / W700	ZTE ZMAX Pro	Samsung Galaxy Attain 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (GSM)	Coolpad Quattro 4G	Sony Ericsson K750 / W800 / D750 / W700	ZTE ZMAX Pro	Samsung Galaxy Attain 4G