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Phone	Samsung SGH-X640	Samsung SCH-A610	Sharp Sidekick LX 2007	Sony Xperia Z3 Compact	Sony Ericsson Xperia X10 mini (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	?	3" diag. 5 : 3	4.6" diag. 16 : 9	2.6" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	400 x 240 pixels (~155 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~319 ppi) LCD (TFT/TFD)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	1,300 mAh	1,540 mAh	2,600 mAh	?
Processor	?	?	200 MHz OMAP 331	2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC)	600 MHz Qualcomm S1 MSM7227
RAM	?	?	?	2 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	Yes	Yes	1 megapixel	20 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	4K UHD	VGA (640 x 480)
Front Camera	-	-	-	2 megapixel	-
Weight	3 oz (85g)	4.23 oz (120g)	5.7 oz (162g)	4.55 oz (129g)	3.11 oz (88g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	5.12" x 2.36" x 0.7" (130 x 60 x 17.9 mm)	5" x 2.56" x 0.34" (127 x 65 x 8.6 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)
Form Factor	Clamshell	Clamshell	Swivel	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	1xRTT	EDGE	LTE (Cat 4)	HSPA 7.2
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	-	n/a	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes IPX8 (SCUBA)	-
Accessibility
Adjustable Text Size	-	-	Yes	n/a	n/a
Hearing Aid Compatible	-	-	Yes	Yes	-
Multiple Languages	Yes	Yes	-	n/a	n/a
TTY/TDD (Digital)	-	-	-	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	-	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	Yes	Yes	Yes	n/a	n/a
Ringer ID	Yes	Yes	Yes	n/a	n/a
Voice Dialing	-	Yes	-	n/a	n/a
Customization
Custom Graphics	Yes	Yes	Yes	n/a	n/a
Custom Ringtones	Yes	Yes	Yes	n/a	n/a
Real-Music Ringers	-	-	Yes	n/a	n/a
Data & Network
Data Tethering	-	Yes	-	n/a	n/a
WAP / Web Browser	Yes	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	-	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	-	Yes	Yes
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	Yes	n/a	n/a
EMS / Picture Messaging	Yes	Yes	-	n/a	n/a
Instant Messaging	-	-	Yes	n/a	n/a
MMS	Yes	Yes	Yes	n/a	n/a
Text Messaging Templates	Yes	Yes	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	Yes	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	-	Yes	-
Miracast	-	-	-	Yes	-
TV Output	-	-	-	Yes	-
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	Yes *	n/a	n/a
Calculator	Yes	Yes	-	n/a	n/a
Calendar	Yes	Yes	Yes	n/a	n/a
To-Do List	Yes	Yes	Yes	n/a	n/a
Voice Memo	Yes	Yes	-	n/a	n/a
Software
BREW	-	Yes	-	n/a	n/a
Games	Yes	Yes	Yes	n/a	n/a
Java (J2ME)	Yes	-	Yes	n/a	n/a
Voice
Call Screening	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	Yes	-	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Samsung SCH-A610	Sharp Sidekick LX 2007	Sony Xperia Z3 Compact	Sony Ericsson Xperia X10 mini (2010)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung SCH-A610	Sharp Sidekick LX 2007	Sony Xperia Z3 Compact	Sony Ericsson Xperia X10 mini (2010)