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Phone	Samsung Knack U310	Motorola RAZR V3	Samsung Galaxy Alpha	Palm Treo 650 (CDMA)	Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	AT&T
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	4.7" diag. 16 : 9	?	6.1" diag. 19.5 : 9
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) AMOLED	320 x 320 pixels LCD (TFT/TFD)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	1,000 mAh	680 mAh	1,860 mAh	?	3,000 mAh
Processor	?	?	2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC)	312 MHz Intel XScale PXA270	2 GHz MediaTek Helio A22 (MT6761WB)
RAM	?	?	2 GB	?	3 GB
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	64 GB
Main Camera	-	Yes	12 megapixel	Yes	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	4K UHD	QVGA (320 x 240)	?
Front Camera	-	-	2 megapixel	-	5 megapixel
Weight	3.63 oz (103g)	3.42 oz (97g)	4.06 oz (115g)	6.3 oz (179g)	5.64 oz (160g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	3.86" x 2.09" x 0.54" (98 x 53 x 13.7 mm)	5.21" x 2.58" x 0.26" (132 x 66 x 6.7 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Palm OS	Android
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8
Data Technology	-	GPRS	LTE (Cat 4)	1xRTT	LTE (Cat 4)
Features
Fingerprint Reader	-	-	Yes	-	-
Flashlight	-	-	Yes	-	Yes
GPS / Location	Yes	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	Yes	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	-
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	Yes	-	-
USB	-	Yes Mini-USB	Yes	-	Yes USB Type C
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	-	Yes	n/a	n/a	n/a
Ringer ID	-	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	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	-	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	-	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	Yes	Yes Capacitive
Memory
Memory Card Slot	-	-	-	Yes	Yes
Messaging
Email Client	-	Yes	n/a	n/a	n/a
EMS / Picture Messaging	Yes	Yes	n/a	n/a	n/a
Instant Messaging	-	Yes	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
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	-	n/a	n/a	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
TV Output	-	-	Yes	-	-
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	-	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	-	Yes
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Knack U310	Motorola RAZR V3	Samsung Galaxy Alpha	Palm Treo 650 (CDMA)	Cricket Debut S2 / AT&T Calypso 4
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Knack U310	Motorola RAZR V3	Samsung Galaxy Alpha	Palm Treo 650 (CDMA)	Cricket Debut S2 / AT&T Calypso 4