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Phone	Samsung SCH-A990	Microsoft Lumia 640	Samsung SGH-X475	Palm Pre Plus (CDMA)	LG Incite CT810
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5" diag. 16 : 9	?	3.1" diag. 5 : 3	3" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 400 pixels (~155 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,000 mAh	2,500 mAh	?	?	1,300 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)	?	TI OMAP 3430	MSM7201a
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	-	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	1080p HD	-	?	?
Front Camera	-	1 megapixel	-	-	-
Weight	4.4 oz (125g)	5.11 oz (145g)	3 oz (85g)	4.89 oz (139g)	4.23 oz (120g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	5.56" x 2.84" x 0.35" (141 x 72 x 8.9 mm)	3.45" x 1.81" x 0.9" (88 x 46 x 22.9 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	4.2" x 2.17" x 0.55" (107 x 55 x 14 mm)
Form Factor	Clamshell	Slab	Clamshell	Slide	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	webOS	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	4G LTE: 1, 2, 4, 5, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	LTE (Cat 4)	GPRS	EVDO rA	HSDPA 3.6
Features
Flashlight	Yes	-	-	-	-
GPS / Location	Yes	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)	-	Yes M4 (very compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	-	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	-	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	Yes	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	Yes	n/a	-	n/a	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	Yes	-	-	-
Miracast	-	Yes	-	-	-
TV Output	Yes	-	-	-	-
Power
Wireless Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	Yes	n/a	-	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	-	n/a	Yes	n/a	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	Samsung SCH-A990	Microsoft Lumia 640	Samsung SGH-X475	Palm Pre Plus (CDMA)	LG Incite CT810
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	Microsoft Lumia 640	Samsung SGH-X475	Palm Pre Plus (CDMA)	LG Incite CT810