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Phone	Alcatel 665	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	Samsung Nexus S	HTC EVO Design 4G / Hero S (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	?	6.8" diag. 20 : 9	4" diag. 5 : 3	4" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1600 pixels (~260 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)
Display Refresh	?	?	90 Hz	60 Hz	60 Hz
Battery	650 mAh	800 mAh	5,000 mAh	1,500 mAh	1,520 mAh
Processor	?	?	2.3 GHz MediaTek Helio G37	1 GHz Samsung Hummingbird Cortex A8	1.2 GHz Qualcomm Snapdragon S2 MSM8655
RAM	16 MB	?	4 GB	?	768 MB
Storage	32 MB	? raw hardware	128 GB	16 GB	4 GB
Main Camera	2 megapixel	Yes	50 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	1080p HD	WVGA / 480p	720p HD
Front Camera	-	-	8 megapixel	Yes	1 megapixel
Weight	2.72 oz (77g)	3 oz (85g)	6.88 oz (195g)	4.55 oz (129g)	5.22 oz (148g)
Dimensions	3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm)	4.88" x 2.48" x 0.43" (124 x 63 x 10.9 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Android
Network Bands	GSM: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4, 8 GSM: 850, 900, 1800, 1900 *	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *
Data Technology	-	GPRS	LTE (Cat 6)	HSPA 7.2	WiMAX
Features
Barometer	-	-	Yes	-	-
Fingerprint Reader	-	-	Yes	-	-
Flashlight	-	-	Yes	-	Yes
GPS / Location	-	-	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes M3, T3 (mostly tele-coil 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
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	-	Yes USB Type C	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	-	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	-	n/a	n/a	n/a
WAP / Web Browser	Yes	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
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	Yes	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	Yes	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
DLNA	-	-	-	-	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	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	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	Yes
	Alcatel 665	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	Samsung Nexus S	HTC EVO Design 4G / Hero S (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Alcatel 665	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	Samsung Nexus S	HTC EVO Design 4G / Hero S (CDMA)