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Phone	Samsung SGH-X640	Samsung Galaxy Reverb	Motorola Moto X (Verizon, 1st gen.)	Alcatel Pop Astro
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	4.7" diag. 16 : 9	4.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) AMOLED	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	60 Hz
Battery	800 mAh	1,700 mAh	2,200 mAh	2,000 mAh
Processor	?	1.4 GHz Qualcomm S2 MSM8655	1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960	1.5 GHz MediaTek MTK6732
RAM	?	768 MB	2 GB	1 GB
Storage	? raw hardware	4 GB	16 GB *	4 GB
Main Camera	Yes	5 megapixel	10 megapixel	5 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	-	WVGA / 480p	1080p HD	1080p HD
Front Camera	-	1 megapixel	2 megapixel	Yes
Weight	3 oz (85g)	4.54 oz (129g)	4.76 oz (135g)	5.11 oz (145g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.82" x 2.53" x 0.44" (122 x 64 x 11.3 mm)	5.09" x 2.57" x 0.43" (129 x 65 x 10.8 mm)	5.23" x 2.57" x 0.39" (133 x 65 x 9.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Android	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 1900	4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	EVDO rA	LTE (Cat 3)	LTE (Cat 4)
Features
Flashlight	-	-	-	Yes
GPS / Location	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a
NFC	-	-	Yes	-
USB	-	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a
Voice Dialing	-	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a
Real-Music Ringers	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes
Memory
Memory Card Slot	-	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a
Photo & Video
Miracast	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Samsung Galaxy Reverb	Motorola Moto X (Verizon, 1st gen.)	Alcatel Pop Astro
	X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung Galaxy Reverb	Motorola Moto X (Verizon, 1st gen.)	Alcatel Pop Astro