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Phone	Samsung SGH-X640	Alcatel Go Flip V	Motorola KRZR K1m	Alcatel Idol 4S	HTC Shadow
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	?	2.8" diag. 4 : 3	?	5.5" diag. 16 : 9	2.6" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~534 ppi) AMOLED	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	1,350 mAh	880 mAh	3,000 mAh	920 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	1.8 GHz Qualcomm Snapdragon 652 (MSM8976)	200 MHz OMAP 850
RAM	?	1 GB	?	3 GB	?
Storage	? raw hardware	8 GB	? raw hardware	32 GB	? raw hardware
Main Camera	Yes	2 megapixel	1 megapixel	16 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	?	4K UHD	?
Front Camera	-	-	-	8 megapixel	-
Weight	3 oz (85g)	4.16 oz (118g)	3.63 oz (103g)	5.26 oz (149g)	5.29 oz (150g)
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)	4.06" x 1.73" x 0.67" (103 x 44 x 17 mm)	6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)	4.06" x 2.09" x 0.59" (103 x 53 x 15 mm)
Form Factor	Clamshell	Clamshell	Clamshell	Slab	Slide
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Windows Mobile Standard
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 2, 4, 5 GSM: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 4)	EVDO r0	LTE (Cat 4)	EDGE
Features
Fingerprint Reader	-	-	-	Yes *	-
Flashlight	-	-	-	Yes	-
GPS / Location	-	Yes	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 M3 (mostly 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	-	-
Ringer Profiles	-	-	Yes	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	Yes	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	Yes	Yes	Yes	n/a	n/a
Ringer ID	Yes	Yes	Yes	n/a	n/a
Voice Dialing	-	-	Yes	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	-	n/a	n/a
Data & Network
Data Tethering	-	Yes	Yes	n/a	n/a
Dual-SIM	-	-	-	Yes *	-
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
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	Yes	-	n/a	n/a
EMS / Picture Messaging	Yes	-	Yes	n/a	n/a
Instant Messaging	-	-	Yes *	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	-
Music Player	-	Yes	Yes	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
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	-	-	n/a	n/a
Voice Memo	Yes	Yes	Yes	n/a	n/a
Software
BREW	-	-	Yes *	n/a	n/a
Games	Yes	-	Yes	n/a	n/a
Java (J2ME)	Yes	-	Yes *	n/a	n/a
Voice
HD Voice	-	Yes	-	Yes	-
Headset Jack (2.5 mm)	Yes	-	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Alcatel Go Flip V	Motorola KRZR K1m	Alcatel Idol 4S	HTC Shadow
	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	Motorola KRZR K1m	Alcatel Idol 4S	HTC Shadow