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Phone	Motorola Sidekick Slide	Nokia Lumia 521 / 520	Motorola Moto X (CDMA, 2nd gen.)	LG Optimus F7	Motorola i450 / i455
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	5.2" diag. 16 : 9	4.7" diag. 16 : 9	?
Display Resolution & Type	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~424 ppi) AMOLED	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (STN)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	1,430 mAh	2,300 mAh	2,540 mAh	?
Processor	225 MHz TI OMAP 850	1 GHz Qualcomm Snapdragon S4 MSM8270	2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC)	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?
RAM	?	512 MB	2 GB	1 GB	?
Storage	? raw hardware	8 GB	16 GB *	8 GB	? raw hardware
Main Camera	1 megapixel	5 megapixel	13 megapixel	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	4K UHD	1080p HD	-
Front Camera	-	-	2 megapixel	1 megapixel	-
Weight	5.3 oz (150g)	4.39 oz (124g)	5.08 oz (144g)	4.7 oz (133g)	4.5 oz (128g)
Dimensions	4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	5.54" x 2.85" x 0.39" (141 x 72 x 9.9 mm)	5.16" x 2.71" x 0.38" (131 x 69 x 9.7 mm)	3.5" x 2" x 1.1" (89 x 51 x 27.9 mm)
Form Factor	Slide	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Windows	Android	Android	(proprietary)
Network Bands	GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 3, 4, 7, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	4G LTE: 4, 5, 12, 25 CDMA: 850, 1700, 1900 *	iDEN: 800
Data Technology	EDGE	HSPA+ 21	LTE (Cat 4)	LTE (Cat 3)	-
Features
GPS / Location	-	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	Yes	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	-	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	-	Yes	Yes	-
USB	Yes	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	-	Yes	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	Yes *
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	-	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	Yes	n/a	n/a	n/a	-
Instant Messaging	Yes	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	-	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	-	Yes	-
Miracast	-	-	Yes	Yes	-
TV Output	-	-	-	Yes	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	-
Calculator	-	n/a	n/a	n/a	-
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	-
Voice Memo	-	n/a	n/a	n/a	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	Yes
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Sidekick Slide	Nokia Lumia 521 / 520	Motorola Moto X (CDMA, 2nd gen.)	LG Optimus F7	Motorola i450 / i455
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Sidekick Slide	Nokia Lumia 521 / 520	Motorola Moto X (CDMA, 2nd gen.)	LG Optimus F7	Motorola i450 / i455