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Phone	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	Samsung Galaxy S 4 mini (Sprint, U.S. Cellular)	Samsung SGH-T239	HTC G2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	6.8" diag. 20 : 9	4.3" diag. 16 : 9	?	3.7" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	720 x 1600 pixels (~260 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) AMOLED	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)
Display Refresh	?	90 Hz	60 Hz	?	60 Hz
Battery	800 mAh	5,000 mAh	1,900 mAh	?	1,300 mAh
Processor	?	2.3 GHz MediaTek Helio G37	1.7 GHz Qualcomm Snapdragon MSM8930 Pro (MSM8930AB)	?	800 MHz Qualcomm S2 MSM7230
RAM	?	4 GB	1.5 GB	?	?
Storage	? raw hardware	128 GB	16 GB	? raw hardware	? raw hardware
Main Camera	Yes	50 megapixel	8 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	1080p HD	-	720p HD
Front Camera	-	8 megapixel	2 megapixel	-	-
Weight	3 oz (85g)	6.88 oz (195g)	3.77 oz (107g)	3.34 oz (95g)	6.5 oz (184g)
Dimensions	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)	4.9" x 2.41" x 0.35" (124 x 61 x 8.9 mm)	3.78" x 1.87" x 0.68" (96 x 47 x 17.3 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	Android	Android	(proprietary)	Android
Network Bands	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	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 *	GSM: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 6)	LTE (Cat 3)	GPRS	HSPA 14.4
Features
Barometer	-	Yes	-	-	-
Fingerprint Reader	-	Yes	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	-	Yes USB Type C	Yes	-	Yes
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	-	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	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	Yes	n/a
Instant Messaging	-	n/a	n/a	Yes	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	Yes	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 SGH-X640	TCL 40 XL / Jitterbug Smart 4	Samsung Galaxy S 4 mini (Sprint, U.S. Cellular)	Samsung SGH-T239	HTC G2
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	Samsung Galaxy S 4 mini (Sprint, U.S. Cellular)	Samsung SGH-T239	HTC G2