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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Palm Treo 650 (CDMA)	Sony Ericsson Z520 / Z525	ZTE Blade Z Max	Samsung MM-A900 / SPH-A900 / Ace	UTStarcom PPC-6700 / XV-6700 / HTC Apache
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	6" diag. 16 : 9	?	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	?	4,080 mAh	?	1,350 mAh
Processor	312 MHz Intel XScale PXA270	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?	416 MHz Intel
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	Yes	Yes	16 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	1080p HD	?	?
Front Camera	-	-	8 megapixel	-	-
Weight	6.3 oz (179g)	3.46 oz (98g)	6.58 oz (186g)	3.9 oz (111g)	6.07 oz (172g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.25" x 2.32" x 0.93" (108 x 59 x 23.6 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slide
Platform / OS	Palm OS	(proprietary)	Android	(proprietary)	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	GPRS	LTE (Cat 6)	EVDO r0	EVDO r0
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	-	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	Yes	-	-	Yes
USB	-	Yes	Yes USB Type C	Yes	Yes Mini-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes
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	Yes	n/a	Yes	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
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	Yes	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	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
Touch Screen	Yes	-	Yes Capacitive	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	Yes	n/a	-	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	n/a
MMS	n/a	Yes	n/a	-	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	-	n/a	Yes	n/a
Power
Fast Charging	-	-	Yes	-	-
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	Yes	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo 650 (CDMA)	Sony Ericsson Z520 / Z525	ZTE Blade Z Max	Samsung MM-A900 / SPH-A900 / Ace	UTStarcom PPC-6700 / XV-6700 / HTC Apache
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Sony Ericsson Z520 / Z525	ZTE Blade Z Max	Samsung MM-A900 / SPH-A900 / Ace	UTStarcom PPC-6700 / XV-6700 / HTC Apache