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Phone	Samsung SGH-X640	Alcatel Go Flip V	Samsung SGH-X820	Samsung Galaxy Ring / Prevail 2	Samsung Galaxy Note II (Verizon)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.8" diag. 4 : 3	?	4" diag. 5 : 3	5.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	1,350 mAh	650 mAh	1,750 mAh	3,100 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	1.4 GHz Qualcomm Snapdragon S2 MSM8655	1.6 GHz Samsung Exynos
RAM	?	1 GB	?	1 GB	2 GB
Storage	? raw hardware	8 GB	? raw hardware	4 GB	16 GB
Main Camera	Yes	2 megapixel	2 megapixel	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	?	720p HD	1080p HD
Front Camera	-	-	-	1 megapixel	2 megapixel
Weight	3 oz (85g)	4.16 oz (118g)	2.33 oz (66g)	3.4 oz (96g)	6.35 oz (180g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.13" x 2.08" x 0.74" (105 x 53 x 18.7 mm)	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	5.94" x 3.16" x 0.38" (151 x 80 x 9.7 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 2, 4, 5 GSM: 850, 1900	GSM: 900, 1800, 1900	CDMA: 800, 850, 1900	4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 4)	EDGE	EVDO rA	LTE (Cat 3)
Features
GPS / Location	-	Yes	-	n/a	n/a
Accessibility
Adjustable Text Size	-	Yes	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4 (very compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	Yes	-	n/a	n/a
NFC	-	-	-	-	Yes
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	Yes	Yes	n/a	n/a
Ringer ID	Yes	Yes	Yes	n/a	n/a
Voice Dialing	-	-	-	n/a	n/a
Customization
Custom Graphics	Yes	Yes	Yes	n/a	n/a
Custom Ringtones	Yes	-	Yes	n/a	n/a
Real-Music Ringers	-	Yes	Yes	n/a	n/a
Data & Network
Data Tethering	-	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
Stylus	-	-	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	Yes	Yes	n/a	n/a
EMS / Picture Messaging	Yes	-	Yes	n/a	n/a
Instant Messaging	-	-	-	n/a	n/a
MMS	Yes	Yes	Yes	n/a	n/a
Text Messaging Templates	Yes	-	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	Yes	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	Yes
TV Output	-	-	Yes	-	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
Games	Yes	-	Yes	n/a	n/a
Java (J2ME)	Yes	-	Yes	n/a	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	-	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Alcatel Go Flip V	Samsung SGH-X820	Samsung Galaxy Ring / Prevail 2	Samsung Galaxy Note II (Verizon)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Alcatel Go Flip V	Samsung SGH-X820	Samsung Galaxy Ring / Prevail 2	Samsung Galaxy Note II (Verizon)