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Phone	Samsung SGH-X640	Nokia Lumia 928	Samsung SCH-A990	Samsung Galaxy Rush	Sanyo Zio by Kyocera
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.5" diag. 5 : 3	?	3.5" diag. 5 : 3	3.5" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	768 x 1280 pixels (~332 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	2,000 mAh	1,000 mAh	1,750 mAh	1,130 mAh
Processor	?	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?	1 GHz Qualcomm MSM8655	Qualcomm S1 MSM7627
RAM	?	1 GB	?	768 MB	?
Storage	? raw hardware	32 GB	? raw hardware	4 GB	? raw hardware
Main Camera	Yes	8 megapixel	3 megapixel	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	?	VGA (640 x 480)	WVGA / 480p
Front Camera	-	1 megapixel	-	1 megapixel	-
Weight	3 oz (85g)	5.75 oz (163g)	4.4 oz (125g)	4.2 oz (119g)	3.7 oz (105g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.24" x 2.71" x 0.4" (133 x 69 x 10.1 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm)	4.57" x 2.31" x 0.48" (116 x 59 x 12.2 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 1900	CDMA: 850, 1700, 1900
Data Technology	GPRS	LTE (Cat 3)	EVDO r0	EVDO rA	EVDO rA
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 a,b,g,n)	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	-	n/a	Yes	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	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	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
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
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
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	Yes	n/a	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
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	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Nokia Lumia 928	Samsung SCH-A990	Samsung Galaxy Rush	Sanyo Zio by Kyocera
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Nokia Lumia 928	Samsung SCH-A990	Samsung Galaxy Rush	Sanyo Zio by Kyocera