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Phone	BlackBerry 7750	Sony Xperia Z3 Compact	Samsung SCH-A310	Palm Treo 650 (CDMA)	Motorola Defy (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.6" diag. 16 : 9	?	?	3.6" diag. 16 : 9
Display Resolution & Type	240 x 240 pixels LCD (Color)	720 x 1280 pixels (~319 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	320 x 320 pixels LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	2,600 mAh	?	?	1,540 mAh
Processor	?	2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC)	?	312 MHz Intel XScale PXA270	800 MHz TI OMAP3610
RAM	?	2 GB	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	20 megapixel	-	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	4K UHD	-	QVGA (320 x 240)	?
Front Camera	-	2 megapixel	-	-	-
Weight	5.01 oz (142g)	4.55 oz (129g)	3.2 oz (91g)	6.3 oz (179g)	4.16 oz (118g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	5" x 2.56" x 0.34" (127 x 65 x 8.6 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	BlackBerry OS	Android	(proprietary)	Palm OS	Android
Network Bands	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	LTE (Cat 4)	1xRTT	1xRTT	HSPA 7.2
Features
GPS / Location	n/a	n/a	Yes	n/a	n/a
Ruggedized	-	Yes	-	-	Yes
Water-Resistant	-	Yes IPX8 (SCUBA)	-	-	-
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	-	-
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes	-	Yes Micro-USB
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	-	n/a	n/a
Ringer ID	n/a	n/a	-	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	n/a	n/a	-	n/a	n/a
Custom Ringtones	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	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	-	-	Yes	-
Touch Screen	-	Yes Capacitive	-	Yes	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	-	n/a	n/a
Music
FM Radio	-	Yes	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	n/a	n/a	-	n/a	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
DLNA	-	Yes	-	-	Yes
Miracast	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	-	n/a	n/a
Calculator	n/a	n/a	-	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	-	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	-	n/a	n/a
Voice
Call Screening	-	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	n/a
Speaker Phone	-	Yes	-	Yes	Yes
	BlackBerry 7750	Sony Xperia Z3 Compact	Samsung SCH-A310	Palm Treo 650 (CDMA)	Motorola Defy (2010)
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Sony Xperia Z3 Compact	Samsung SCH-A310	Palm Treo 650 (CDMA)	Motorola Defy (2010)