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Phone	Samsung MM-A900 / SPH-A900 / Ace	Palm Treo 650 (CDMA)	LG Q7+	Samsung SCH-A645	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5.5" diag. 18 : 9	?	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	1080 x 2160 pixels (~439 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	?	3,000 mAh	1,000 mAh	1,490 mAh
Processor	?	312 MHz Intel XScale PXA270	1.8 GHz Qualcomm Snapdragon 450	?	400 MHz Intel XScale
RAM	?	?	4 GB	?	?
Storage	? raw hardware	? raw hardware	64 GB	? raw hardware	? raw hardware
Main Camera	1 megapixel	Yes	16 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QVGA (320 x 240)	1080p HD	-	QCIF (176 x 144)
Front Camera	-	-	8 megapixel	-	-
Weight	3.9 oz (111g)	6.3 oz (179g)	5.11 oz (145g)	3.2 oz (91g)	7.41 oz (210g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5.66" x 2.73" x 0.33" (144 x 69 x 8.4 mm)	3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slide
Platform / OS	(proprietary)	Palm OS	Android	(proprietary)	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 20, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	1xRTT	LTE (Cat 13)	1xRTT	GPRS
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	n/a	n/a	Yes	n/a
Water-Resistant	-	-	Yes IPX8 (SCUBA)	-	-
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	Yes	-	-	Yes
NFC	-	-	Yes	-	-
USB	Yes	-	Yes USB Type C	-	Yes
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	-	Yes
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes *	n/a
Input
Predictive Text Entry	Yes	n/a	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	n/a	-	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
MMS	-	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	Yes	n/a	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	-	n/a	n/a	Yes *	n/a
Games	Yes	n/a	n/a	Yes *	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung MM-A900 / SPH-A900 / Ace	Palm Treo 650 (CDMA)	LG Q7+	Samsung SCH-A645	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung MM-A900 / SPH-A900 / Ace	Palm Treo 650 (CDMA)	LG Q7+	Samsung SCH-A645	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)