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Phone	Samsung SGH-X640	Samsung SPH-A520	Motorola W755	Kyocera Event	Motorola Moto X (CDMA, 2nd gen.)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	1.9" diag. 4 : 3	3.5" diag. 5 : 3	5.2" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	? LCD (STN)	176 x 220 pixels (~148 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~424 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	?	950 mAh	1,500 mAh	2,300 mAh
Processor	?	?	?	1 GHz Qualcomm Snapdragon S2 MSM8655	2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC)
RAM	?	?	?	512 MB	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	16 GB *
Main Camera	Yes	-	1 megapixel	3 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	WVGA / 480p	4K UHD
Front Camera	-	-	-	-	2 megapixel
Weight	3 oz (85g)	3.6 oz (102g)	3.6 oz (102g)	4.1 oz (116g)	5.08 oz (144g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.46" x 1.83" x 0.91" (88 x 46 x 23.1 mm)	3.9" x 1.9" x 0.68" (99 x 48 x 17.3 mm)	4.53" x 2.41" x 0.46" (115 x 61 x 11.7 mm)	5.54" x 2.85" x 0.39" (141 x 72 x 9.9 mm)
Form Factor	Clamshell	Clamshell	Clamshell	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 1900	4G LTE: 2, 3, 4, 7, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	1xRTT	EVDO r0	EVDO rA	LTE (Cat 4)
Features
GPS / Location	-	Yes	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	-	-	n/a	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	-	-	-	n/a	n/a
NFC	-	-	-	-	Yes
USB	-	-	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	Yes	Yes	n/a	n/a
Ringer ID	Yes	Yes	Yes	n/a	n/a
Voice Dialing	-	Yes	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	Yes	n/a	n/a
External Antenna Jack	-	-	Yes	n/a	n/a
WAP / Web Browser	Yes	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	-
Messaging
Email Client	-	-	-	n/a	n/a
EMS / Picture Messaging	Yes	-	Yes	n/a	n/a
Instant Messaging	-	-	Yes	n/a	n/a
MMS	Yes	-	Yes	n/a	n/a
Text Messaging Templates	Yes	-	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	-	Yes	n/a	n/a
Photo & Video
Miracast	-	-	-	-	Yes
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	Yes	n/a	n/a
Calculator	Yes	Yes	Yes	n/a	n/a
Calendar	Yes	Yes	Yes	n/a	n/a
To-Do List	Yes	Yes	-	n/a	n/a
Voice Memo	Yes	Yes	Yes	n/a	n/a
Software
BREW	-	-	Yes	n/a	n/a
Games	Yes	Yes	Yes	n/a	n/a
Java (J2ME)	Yes	-	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	Yes	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung SGH-X640	Samsung SPH-A520	Motorola W755	Kyocera Event	Motorola Moto X (CDMA, 2nd gen.)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung SPH-A520	Motorola W755	Kyocera Event	Motorola Moto X (CDMA, 2nd gen.)