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Phone	Samsung SGH-X640	ZTE Blade Z Max	Palm Treo 600 (CDMA)	HP iPAQ 610 Business Navigator	ZTE Blade Vantage
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	?	6" diag. 16 : 9	?	2.8" diag. 4 : 3	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	4,080 mAh	?	1,590 mAh	2,500 mAh
Processor	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?	520 MHz Marvell PXA270	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	2 GB	?	?	2 GB
Storage	? raw hardware	32 GB	? raw hardware	? raw hardware	16 GB
Main Camera	Yes	16 megapixel	Yes	3 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	-	QCIF (176 x 144)	720p HD
Front Camera	-	8 megapixel	-	-	2 megapixel
Weight	3 oz (85g)	6.58 oz (186g)	6.2 oz (176g)	5.1 oz (145g)	5.29 oz (150g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.61" x 2.37" x 0.69" (117 x 60 x 17.5 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Palm OS	Windows Mobile Professional	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 13
Data Technology	GPRS	LTE (Cat 6)	1xRTT	HSPA 7.2	LTE (Cat 4)
Features
Fingerprint Reader	-	Yes stand-alone	-	-	-
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 M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
USB	-	Yes USB Type C	Yes	Yes Mini-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	-	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	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
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	Yes	Yes	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	n/a	n/a	n/a
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a	n/a
Voice
HD Voice	-	Yes	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	ZTE Blade Z Max	Palm Treo 600 (CDMA)	HP iPAQ 610 Business Navigator	ZTE Blade Vantage
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SGH-X640	ZTE Blade Z Max	Palm Treo 600 (CDMA)	HP iPAQ 610 Business Navigator	ZTE Blade Vantage